490995937 has 2 divisors, whose sum is σ = 490995938. Its totient is φ = 490995936.

The previous prime is 490995919. The next prime is 490995941. The reversal of 490995937 is 739599094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485937936 + 5058001 = 22044^2 + 2249^2 .

It is a cyclic number.

It is not a de Polignac number, because 490995937 - 2²³ = 482607329 is a prime.

It is not a weakly prime, because it can be changed into another prime (490995917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245497968 + 245497969.

It is an arithmetic number, because the mean of its divisors is an integer number (245497969).

Almost surely, 2^490995937 is an apocalyptic number.

It is an amenable number.

490995937 is a deficient number, since it is larger than the sum of its proper divisors (1).

490995937 is an equidigital number, since it uses as much as digits as its factorization.

490995937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2755620, while the sum is 55.

The square root of 490995937 is about 22158.4281256591. The cubic root of 490995937 is about 788.9072843345.

The spelling of 490995937 in words is "four hundred ninety million, nine hundred ninety-five thousand, nine hundred thirty-seven".