13261898688 has 28 divisors (see below), whose sum is σ = 35088774120. Its totient is φ = 4420632832.

The previous prime is 13261898653. The next prime is 13261898701. The reversal of 13261898688 is 88689816231.

It is a super-2 number, since 2×13261898688² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34536003 + ... + 34536386.

Almost surely, 2^13261898688 is an apocalyptic number.

It is an amenable number.

13261898688 is an abundant number, since it is smaller than the sum of its proper divisors (21826875432).

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

13261898688 is an equidigital number, since it uses as much as digits as its factorization.

13261898688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69072404 (or 69072394 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 60.

The spelling of 13261898688 in words is "thirteen billion, two hundred sixty-one million, eight hundred ninety-eight thousand, six hundred eighty-eight".