2502643923 has 24 divisors (see below), whose sum is σ = 3942294720. Its totient is φ = 1520588160.

The previous prime is 2502643877. The next prime is 2502643937. The reversal of 2502643923 is 3293462052.

It is a happy number.

2502643923 is a `hidden beast` number, since 2 + 5 + 0 + 2 + 643 + 9 + 2 + 3 = 666.

It is not a de Polignac number, because 2502643923 - 2²¹ = 2500546771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2502643973) 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, 126138 + ... + 144623.

It is an arithmetic number, because the mean of its divisors is an integer number (164262280).

Almost surely, 2^2502643923 is an apocalyptic number.

2502643923 is a deficient number, since it is larger than the sum of its proper divisors (1439650797).

2502643923 is a wasteful number, since it uses less digits than its factorization.

2502643923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270859 (or 270856 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 2502643923 is about 50026.4322433651. The cubic root of 2502643923 is about 1357.6870871439.

The spelling of 2502643923 in words is "two billion, five hundred two million, six hundred forty-three thousand, nine hundred twenty-three".