502364979139 has 24 divisors (see below), whose sum is σ = 517365109008. Its totient is φ = 487679512320.

The previous prime is 502364979101. The next prime is 502364979157. The reversal of 502364979139 is 931979463205.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-502364979139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (502364970139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154239999 + ... + 154243255.

It is an arithmetic number, because the mean of its divisors is an integer number (21556879542).

Almost surely, 2^502364979139 is an apocalyptic number.

502364979139 is a deficient number, since it is larger than the sum of its proper divisors (15000129869).

502364979139 is a wasteful number, since it uses less digits than its factorization.

502364979139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715 (or 3588 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 58.

The spelling of 502364979139 in words is "five hundred two billion, three hundred sixty-four million, nine hundred seventy-nine thousand, one hundred thirty-nine".