42598889523 has 32 divisors (see below), whose sum is σ = 66542400000. Its totient is φ = 26859452256.

The previous prime is 42598889521. The next prime is 42598889533. The reversal of 42598889523 is 32598889524.

42598889523 is a `hidden beast` number, since 4 + 25 + 9 + 8 + 8 + 89 + 523 = 666.

It is not a de Polignac number, because 42598889523 - 2¹ = 42598889521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42598889521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237973 + ... + 376601.

It is an arithmetic number, because the mean of its divisors is an integer number (2079450000).

Almost surely, 2^42598889523 is an apocalyptic number.

42598889523 is a deficient number, since it is larger than the sum of its proper divisors (23943510477).

42598889523 is a wasteful number, since it uses less digits than its factorization.

42598889523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139256 (or 139250 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 63.

Subtracting from 42598889523 its reverse (32598889524), we obtain a palindrome (9999999999).

The spelling of 42598889523 in words is "forty-two billion, five hundred ninety-eight million, eight hundred eighty-nine thousand, five hundred twenty-three".