13698866688 has 80 divisors (see below), whose sum is σ = 39301974096. Its totient is φ = 4215029760.

The previous prime is 13698866681. The next prime is 13698866707. The reversal of 13698866688 is 88666889631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13698866681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323053 + ... + 362988.

Almost surely, 2^13698866688 is an apocalyptic number.

It is an amenable number.

13698866688 is an abundant number, since it is smaller than the sum of its proper divisors (25603107408).

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

13698866688 is an equidigital number, since it uses as much as digits as its factorization.

13698866688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686075 (or 686059 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 69.

The spelling of 13698866688 in words is "thirteen billion, six hundred ninety-eight million, eight hundred sixty-six thousand, six hundred eighty-eight".