13938968672 has 24 divisors (see below), whose sum is σ = 27509466600. Its totient is φ = 6952437504.

The previous prime is 13938968657. The next prime is 13938968683. The reversal of 13938968672 is 27686983931.

13938968672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519422 + ... + 545597.

It is an arithmetic number, because the mean of its divisors is an integer number (1146227775).

Almost surely, 2^13938968672 is an apocalyptic number.

It is an amenable number.

13938968672 is a deficient number, since it is larger than the sum of its proper divisors (13570497928).

13938968672 is a wasteful number, since it uses less digits than its factorization.

13938968672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065438 (or 1065430 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 62.

The spelling of 13938968672 in words is "thirteen billion, nine hundred thirty-eight million, nine hundred sixty-eight thousand, six hundred seventy-two".