13930660928 has 14 divisors (see below), whose sum is σ = 27643655406. Its totient is φ = 6965330432.

The previous prime is 13930660873. The next prime is 13930660943. The reversal of 13930660928 is 82906603931.

It can be written as a sum of positive squares in only one way, i.e., 13052605504 + 878055424 = 114248^2 + 29632^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108833225 + ... + 108833352.

Almost surely, 2^13930660928 is an apocalyptic number.

It is an amenable number.

13930660928 is a deficient number, since it is larger than the sum of its proper divisors (13712994478).

13930660928 is an equidigital number, since it uses as much as digits as its factorization.

13930660928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217666589 (or 217666579 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 47.

The spelling of 13930660928 in words is "thirteen billion, nine hundred thirty million, six hundred sixty thousand, nine hundred twenty-eight".