I can 100% assure you its not infact i can garentee you its not a november hull and yes ive been up close and personal to both in gremikha to find that out.
The november class has a tear drop hull like a sausage the hotel has a traditional boat hull.
This is the Golf class SSB conventional powerd ballistic missile submarine, this submarine is the stock gap between the older Zulu IV class and the back up to the newer hotel I class (incase anything went wrong).
This is the real picture of the K3 Leninsky komsomol the first ever nuclear submarine aunched by the soviet union in 1958, this is the november class project 627 notice the distinct shape of the tear drop hull something the americans didnt come about with untill the 1960's its clearly a sausage shape.
To prove even more of a point heres a rough diagramme of the novembers hull form taken from bellona, these bellona people are the people that help aid the decomissioning of russian submarines.
Now this is the real K-19 before her scrapping notice she was modified to Hotel II standards (which does not affect her hull form at the front, and as you can clearly see the bow is completely blunt and typical boat shaped.
now how you can say that the hotels are november hulls with plugs inserted i will never know for a start the hotels have a shorter beam than the novembers and the hotels are longer and heavyier, plus whats inside is totaly diffrent the november has 2 floors where the hotels only have a single floor.
If you would like to know more i could put you in touch with a few now retired russian captains and a rear admiral and also other serving seamen and officers in the russian navy, my stepfather whom is one would happily explain the diffrencies between the two classes as he was around at the time of thier building.