13937689479 has 32 divisors (see below), whose sum is σ = 22538718720. Its totient is φ = 7478894592.

The previous prime is 13937689421. The next prime is 13937689483. The reversal of 13937689479 is 97498673931.

It is not a de Polignac number, because 13937689479 - 2⁹ = 13937688967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13937689489) 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, 114087 + ... + 202215.

It is an arithmetic number, because the mean of its divisors is an integer number (704334960).

Almost surely, 2^13937689479 is an apocalyptic number.

13937689479 is a deficient number, since it is larger than the sum of its proper divisors (8601029241).

13937689479 is a wasteful number, since it uses less digits than its factorization.

13937689479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88599.

The product of its digits is 61725888, while the sum is 66.

The spelling of 13937689479 in words is "thirteen billion, nine hundred thirty-seven million, six hundred eighty-nine thousand, four hundred seventy-nine".