13793439731 has 4 divisors (see below), whose sum is σ = 13794537432. Its totient is φ = 13792342032.

The previous prime is 13793439721. The next prime is 13793439763.

13793439731 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13793439731 - 2²⁶ = 13726330867 is a prime.

It is a super-2 number, since 2×13793439731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13793439731.

It is not an unprimeable number, because it can be changed into a prime (13793439701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529781 + ... + 555206.

It is an arithmetic number, because the mean of its divisors is an integer number (3448634358).

Almost surely, 2^13793439731 is an apocalyptic number.

13793439731 is a deficient number, since it is larger than the sum of its proper divisors (1097701).

13793439731 is a wasteful number, since it uses less digits than its factorization.

13793439731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097700.

The product of its digits is 1285956, while the sum is 50.

The spelling of 13793439731 in words is "thirteen billion, seven hundred ninety-three million, four hundred thirty-nine thousand, seven hundred thirty-one".