490795957 has 2 divisors, whose sum is σ = 490795958. Its totient is φ = 490795956.

The previous prime is 490795931. The next prime is 490795979. The reversal of 490795957 is 759597094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 457917201 + 32878756 = 21399^2 + 5734^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490795957 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 490795898 and 490795907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490795997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245397978 + 245397979.

It is an arithmetic number, because the mean of its divisors is an integer number (245397979).

Almost surely, 2^490795957 is an apocalyptic number.

It is an amenable number.

490795957 is a deficient number, since it is larger than the sum of its proper divisors (1).

490795957 is an equidigital number, since it uses as much as digits as its factorization.

490795957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3572100, while the sum is 55.

The square root of 490795957 is about 22153.9151618850. The cubic root of 490795957 is about 788.8001638944.

The spelling of 490795957 in words is "four hundred ninety million, seven hundred ninety-five thousand, nine hundred fifty-seven".