905974257388 has 12 divisors (see below), whose sum is σ = 1668899947960. Its totient is φ = 429145700832.

The previous prime is 905974257367. The next prime is 905974257401. The reversal of 905974257388 is 883752479509.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5960356881 + ... + 5960357032.

Almost surely, 2^905974257388 is an apocalyptic number.

It is an amenable number.

905974257388 is a deficient number, since it is larger than the sum of its proper divisors (762925690572).

905974257388 is a wasteful number, since it uses less digits than its factorization.

905974257388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11920713936 (or 11920713934 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 67.

The spelling of 905974257388 in words is "nine hundred five billion, nine hundred seventy-four million, two hundred fifty-seven thousand, three hundred eighty-eight".