24939920943 has 48 divisors (see below), whose sum is σ = 41923554816. Its totient is φ = 13991641920.

The previous prime is 24939920903. The next prime is 24939920977. The reversal of 24939920943 is 34902993942.

24939920943 is a `hidden beast` number, since 2 + 4 + 9 + 399 + 209 + 43 = 666.

It is not a de Polignac number, because 24939920943 - 2¹² = 24939916847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24939920943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24939920903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2157846 + ... + 2169372.

It is an arithmetic number, because the mean of its divisors is an integer number (873407392).

Almost surely, 2^24939920943 is an apocalyptic number.

24939920943 is a deficient number, since it is larger than the sum of its proper divisors (16983633873).

24939920943 is a wasteful number, since it uses less digits than its factorization.

24939920943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12164 (or 12161 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 24939920943 in words is "twenty-four billion, nine hundred thirty-nine million, nine hundred twenty thousand, nine hundred forty-three".