13939211079 has 64 divisors (see below), whose sum is σ = 21706137600. Its totient is φ = 8829305856.

The previous prime is 13939211071. The next prime is 13939211087. The reversal of 13939211079 is 97011293931.

It is an interprime number because it is at equal distance from previous prime (13939211071) and next prime (13939211087).

It is not a de Polignac number, because 13939211079 - 2³ = 13939211071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13939211071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16936662 + ... + 16937484.

It is an arithmetic number, because the mean of its divisors is an integer number (339158400).

Almost surely, 2^13939211079 is an apocalyptic number.

13939211079 is a deficient number, since it is larger than the sum of its proper divisors (7766926521).

13939211079 is a wasteful number, since it uses less digits than its factorization.

13939211079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The spelling of 13939211079 in words is "thirteen billion, nine hundred thirty-nine million, two hundred eleven thousand, seventy-nine".