13965804277 has 2 divisors, whose sum is σ = 13965804278. Its totient is φ = 13965804276.

The previous prime is 13965804247. The next prime is 13965804323. The reversal of 13965804277 is 77240856931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13681746961 + 284057316 = 116969^2 + 16854^2 .

It is a cyclic number.

It is not a de Polignac number, because 13965804277 - 2¹¹ = 13965802229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13965804247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6982902138 + 6982902139.

It is an arithmetic number, because the mean of its divisors is an integer number (6982902139).

It is a 2-persistent number, because it is pandigital, and so is 2⋅13965804277 = 27931608554, but 3⋅13965804277 = 41897412831 is not.

Almost surely, 2^13965804277 is an apocalyptic number.

It is an amenable number.

13965804277 is a deficient number, since it is larger than the sum of its proper divisors (1).

13965804277 is an equidigital number, since it uses as much as digits as its factorization.

13965804277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 13965804277 in words is "thirteen billion, nine hundred sixty-five million, eight hundred four thousand, two hundred seventy-seven".