13939364432 has 20 divisors (see below), whose sum is σ = 30865735776. Its totient is φ = 5974013280.

The previous prime is 13939364401. The next prime is 13939364437. The reversal of 13939364432 is 23446393931.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13939364437) 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, 62229194 + ... + 62229417.

Almost surely, 2^13939364432 is an apocalyptic number.

It is an amenable number.

13939364432 is an abundant number, since it is smaller than the sum of its proper divisors (16926371344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13939364432 is a wasteful number, since it uses less digits than its factorization.

13939364432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124458626 (or 124458620 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 47.

The spelling of 13939364432 in words is "thirteen billion, nine hundred thirty-nine million, three hundred sixty-four thousand, four hundred thirty-two".