13933470872 has 32 divisors (see below), whose sum is σ = 26726224800. Its totient is φ = 6808230144.

The previous prime is 13933470853. The next prime is 13933470913. The reversal of 13933470872 is 27807433931.

It is a happy number.

It is a super-2 number, since 2×13933470872² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45788 + ... + 173099.

It is an arithmetic number, because the mean of its divisors is an integer number (835194525).

Almost surely, 2^13933470872 is an apocalyptic number.

It is an amenable number.

13933470872 is a deficient number, since it is larger than the sum of its proper divisors (12792753928).

13933470872 is a wasteful number, since it uses less digits than its factorization.

13933470872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219075 (or 219071 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 13933470872 in words is "thirteen billion, nine hundred thirty-three million, four hundred seventy thousand, eight hundred seventy-two".