13930479185 has 48 divisors (see below), whose sum is σ = 20655637632. Its totient is φ = 8828524800.

The previous prime is 13930479163. The next prime is 13930479197. The reversal of 13930479185 is 58197403931.

It is not a de Polignac number, because 13930479185 - 2¹⁰ = 13930478161 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 504590 + ... + 531480.

It is an arithmetic number, because the mean of its divisors is an integer number (430325784).

Almost surely, 2^13930479185 is an apocalyptic number.

It is an amenable number.

13930479185 is a deficient number, since it is larger than the sum of its proper divisors (6725158447).

13930479185 is a wasteful number, since it uses less digits than its factorization.

13930479185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26982 (or 26963 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 13930479185 in words is "thirteen billion, nine hundred thirty million, four hundred seventy-nine thousand, one hundred eighty-five".