13697468637 has 16 divisors (see below), whose sum is σ = 18855886848. Its totient is φ = 8835456240.

The previous prime is 13697468623. The next prime is 13697468639. The reversal of 13697468637 is 73686479631.

It is a happy number.

It is not a de Polignac number, because 13697468637 - 2¹⁶ = 13697403101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13697468639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695508 + ... + 714930.

It is an arithmetic number, because the mean of its divisors is an integer number (1178492928).

Almost surely, 2^13697468637 is an apocalyptic number.

It is an amenable number.

13697468637 is a deficient number, since it is larger than the sum of its proper divisors (5158418211).

13697468637 is a wasteful number, since it uses less digits than its factorization.

13697468637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27040.

The product of its digits is 27433728, while the sum is 60.

The spelling of 13697468637 in words is "thirteen billion, six hundred ninety-seven million, four hundred sixty-eight thousand, six hundred thirty-seven".