490723302817 has 4 divisors (see below), whose sum is σ = 535334512176. Its totient is φ = 446112093460.

The previous prime is 490723302803. The next prime is 490723302847. The reversal of 490723302817 is 718203327094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 490723302817 - 2⁷ = 490723302689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490723302847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22305604663 + ... + 22305604684.

It is an arithmetic number, because the mean of its divisors is an integer number (133833628044).

Almost surely, 2^490723302817 is an apocalyptic number.

It is an amenable number.

490723302817 is a deficient number, since it is larger than the sum of its proper divisors (44611209359).

490723302817 is a wasteful number, since it uses less digits than its factorization.

490723302817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44611209358.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 490723302817 in words is "four hundred ninety billion, seven hundred twenty-three million, three hundred two thousand, eight hundred seventeen".