13081685496 has 32 divisors (see below), whose sum is σ = 35677324800. Its totient is φ = 3964147040.

The previous prime is 13081685437. The next prime is 13081685531. The reversal of 13081685496 is 69458618031.

It is a super-2 number, since 2×13081685496² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24775656 + ... + 24776183.

It is an arithmetic number, because the mean of its divisors is an integer number (1114916400).

Almost surely, 2^13081685496 is an apocalyptic number.

It is an amenable number.

13081685496 is an abundant number, since it is smaller than the sum of its proper divisors (22595639304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13081685496 is a wasteful number, since it uses less digits than its factorization.

13081685496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49551859 (or 49551855 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 13081685496 in words is "thirteen billion, eighty-one million, six hundred eighty-five thousand, four hundred ninety-six".