904491254404319 has 16 divisors (see below), whose sum is σ = 949536842327040. Its totient is φ = 860438805986880.

The previous prime is 904491254404151. The next prime is 904491254404343. The reversal of 904491254404319 is 913404452194409.

It is a cyclic number.

It is not a de Polignac number, because 904491254404319 - 2⁴⁰ = 903391742776543 is a prime.

It is a super-2 number, since 2×904491254404319² (a number of 31 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904491254404519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28569752 + ... + 51236834.

It is an arithmetic number, because the mean of its divisors is an integer number (59346052645440).

Almost surely, 2^{904491254404319} is an apocalyptic number.

904491254404319 is a deficient number, since it is larger than the sum of its proper divisors (45045587922721).

904491254404319 is a wasteful number, since it uses less digits than its factorization.

904491254404319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22688990.

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 904491254404319 in words is "nine hundred four trillion, four hundred ninety-one billion, two hundred fifty-four million, four hundred four thousand, three hundred nineteen".