4902399531 has 80 divisors (see below), whose sum is σ = 7978798080. Its totient is φ = 2987953920.

The previous prime is 4902399521. The next prime is 4902399533. The reversal of 4902399531 is 1359932094.

4902399531 is a `hidden beast` number, since 4 + 9 + 0 + 23 + 99 + 531 = 666.

It is not a de Polignac number, because 4902399531 - 2¹¹ = 4902397483 is a prime.

It is a super-2 number, since 2×4902399531² = 48067042323098039922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4902399533) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13655530 + ... + 13655888.

It is an arithmetic number, because the mean of its divisors is an integer number (99734976).

Almost surely, 2^4902399531 is an apocalyptic number.

4902399531 is a deficient number, since it is larger than the sum of its proper divisors (3076398549).

4902399531 is a wasteful number, since it uses less digits than its factorization.

4902399531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 4902399531 is about 70017.1374093514. The cubic root of 4902399531 is about 1698.7764588075.

The spelling of 4902399531 in words is "four billion, nine hundred two million, three hundred ninety-nine thousand, five hundred thirty-one".