13697695997 has 2 divisors, whose sum is σ = 13697695998. Its totient is φ = 13697695996.

The previous prime is 13697695981. The next prime is 13697696029. The reversal of 13697695997 is 79959679631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13097886916 + 599809081 = 114446^2 + 24491^2 .

It is a cyclic number.

It is not a de Polignac number, because 13697695997 - 2⁴ = 13697695981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13697695997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13697695927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6848847998 + 6848847999.

It is an arithmetic number, because the mean of its divisors is an integer number (6848847999).

Almost surely, 2^13697695997 is an apocalyptic number.

It is an amenable number.

13697695997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13697695997 is an equidigital number, since it uses as much as digits as its factorization.

13697695997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 173604060, while the sum is 71.

The spelling of 13697695997 in words is "thirteen billion, six hundred ninety-seven million, six hundred ninety-five thousand, nine hundred ninety-seven".