13793839731 has 32 divisors (see below), whose sum is σ = 23795320320. Its totient is φ = 7733467872.

The previous prime is 13793839699. The next prime is 13793839733.

It is a happy number.

13793839731 is a `hidden beast` number, since 137 + 93 + 8 + 397 + 31 = 666.

13793839731 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13793839731 - 2⁵ = 13793839699 is a prime.

It is a super-2 number, since 2×13793839731² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13793839733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 678505 + ... + 698538.

It is an arithmetic number, because the mean of its divisors is an integer number (743603760).

Almost surely, 2^13793839731 is an apocalyptic number.

13793839731 is a deficient number, since it is larger than the sum of its proper divisors (10001480589).

13793839731 is a wasteful number, since it uses less digits than its factorization.

13793839731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377112 (or 1377106 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 54.

The spelling of 13793839731 in words is "thirteen billion, seven hundred ninety-three million, eight hundred thirty-nine thousand, seven hundred thirty-one".