490795931 has 2 divisors, whose sum is σ = 490795932. Its totient is φ = 490795930.

The previous prime is 490795901. The next prime is 490795957. The reversal of 490795931 is 139597094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490795931 - 2¹⁸ = 490533787 is a prime.

It is a super-2 number, since 2×490795931² = 481761291772313522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (490795901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245397965 + 245397966.

It is an arithmetic number, because the mean of its divisors is an integer number (245397966).

Almost surely, 2^490795931 is an apocalyptic number.

490795931 is a deficient number, since it is larger than the sum of its proper divisors (1).

490795931 is an equidigital number, since it uses as much as digits as its factorization.

490795931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 490795931 is about 22153.9145750813. The cubic root of 490795931 is about 788.8001499654.

The spelling of 490795931 in words is "four hundred ninety million, seven hundred ninety-five thousand, nine hundred thirty-one".