13964657044 has 48 divisors (see below), whose sum is σ = 26885084800. Its totient is φ = 6307424640.

The previous prime is 13964657033. The next prime is 13964657087. The reversal of 13964657044 is 44075646931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620167 + ... + 642289.

Almost surely, 2^13964657044 is an apocalyptic number.

It is an amenable number.

13964657044 is a deficient number, since it is larger than the sum of its proper divisors (12920427756).

13964657044 is a wasteful number, since it uses less digits than its factorization.

13964657044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22400 (or 22398 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 13964657044 in words is "thirteen billion, nine hundred sixty-four million, six hundred fifty-seven thousand, forty-four".