490574122897 has 2 divisors, whose sum is σ = 490574122898. Its totient is φ = 490574122896.

The previous prime is 490574122889. The next prime is 490574122963. The reversal of 490574122897 is 798221475094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 488690476096 + 1883646801 = 699064^2 + 43401^2 .

It is a cyclic number.

It is not a de Polignac number, because 490574122897 - 2³ = 490574122889 is a prime.

It is not a weakly prime, because it can be changed into another prime (490574122837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245287061448 + 245287061449.

It is an arithmetic number, because the mean of its divisors is an integer number (245287061449).

Almost surely, 2^490574122897 is an apocalyptic number.

It is an amenable number.

490574122897 is a deficient number, since it is larger than the sum of its proper divisors (1).

490574122897 is an equidigital number, since it uses as much as digits as its factorization.

490574122897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 490574122897 in words is "four hundred ninety billion, five hundred seventy-four million, one hundred twenty-two thousand, eight hundred ninety-seven".