904497971038 has 4 divisors (see below), whose sum is σ = 1356746956560. Its totient is φ = 452248985518.

The previous prime is 904497970991. The next prime is 904497971059. The reversal of 904497971038 is 830179794409.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×904497971038² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226124492758 + ... + 226124492761.

It is an arithmetic number, because the mean of its divisors is an integer number (339186739140).

Almost surely, 2^904497971038 is an apocalyptic number.

904497971038 is a deficient number, since it is larger than the sum of its proper divisors (452248985522).

904497971038 is a wasteful number, since it uses less digits than its factorization.

904497971038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452248985521.

The product of its (nonzero) digits is 13716864, while the sum is 61.

The spelling of 904497971038 in words is "nine hundred four billion, four hundred ninety-seven million, nine hundred seventy-one thousand, thirty-eight".