13799039668 has 12 divisors (see below), whose sum is σ = 24150180292. Its totient is φ = 6898988160.

The previous prime is 13799039647. The next prime is 13799039699. The reversal of 13799039668 is 86693099731.

It can be written as a sum of positive squares in 2 ways, for example, as 13273804944 + 525234724 = 115212^2 + 22918^2 .

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, 71355 + ... + 180802.

Almost surely, 2^13799039668 is an apocalyptic number.

It is an amenable number.

13799039668 is a deficient number, since it is larger than the sum of its proper divisors (10351140624).

13799039668 is a wasteful number, since it uses less digits than its factorization.

13799039668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265842 (or 265840 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 61.

The spelling of 13799039668 in words is "thirteen billion, seven hundred ninety-nine million, thirty-nine thousand, six hundred sixty-eight".