13739716644 has 24 divisors (see below), whose sum is σ = 32095670880. Its totient is φ = 4574715264.

The previous prime is 13739716643. The next prime is 13739716667. The reversal of 13739716644 is 44661793731.

It is not an unprimeable number, because it can be changed into a prime (13739716643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637749 + ... + 658940.

It is an arithmetic number, because the mean of its divisors is an integer number (1337319620).

Almost surely, 2^13739716644 is an apocalyptic number.

It is an amenable number.

13739716644 is an abundant number, since it is smaller than the sum of its proper divisors (18355954236).

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

13739716644 is a wasteful number, since it uses less digits than its factorization.

13739716644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297579 (or 1297577 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 51.

The spelling of 13739716644 in words is "thirteen billion, seven hundred thirty-nine million, seven hundred sixteen thousand, six hundred forty-four".