490944677 has 2 divisors, whose sum is σ = 490944678. Its totient is φ = 490944676.

The previous prime is 490944661. The next prime is 490944679. The reversal of 490944677 is 776449094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459930916 + 31013761 = 21446^2 + 5569^2 .

It is a cyclic number.

It is not a de Polignac number, because 490944677 - 2⁴ = 490944661 is a prime.

Together with 490944679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490944679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245472338 + 245472339.

It is an arithmetic number, because the mean of its divisors is an integer number (245472339).

Almost surely, 2^490944677 is an apocalyptic number.

It is an amenable number.

490944677 is a deficient number, since it is larger than the sum of its proper divisors (1).

490944677 is an equidigital number, since it uses as much as digits as its factorization.

490944677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 490944677 is about 22157.2714249747. The cubic root of 490944677 is about 788.8798293926.

The spelling of 490944677 in words is "four hundred ninety million, nine hundred forty-four thousand, six hundred seventy-seven".