490498564 has 6 divisors (see below), whose sum is σ = 858372494. Its totient is φ = 245249280.

The previous prime is 490498559. The next prime is 490498571. The reversal of 490498564 is 465894094.

It can be written as a sum of positive squares in only one way, i.e., 490268164 + 230400 = 22142^2 + 480^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61312317 + ... + 61312324.

Almost surely, 2^490498564 is an apocalyptic number.

It is an amenable number.

490498564 is a deficient number, since it is larger than the sum of its proper divisors (367873930).

490498564 is a wasteful number, since it uses less digits than its factorization.

490498564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122624645 (or 122624643 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 490498564 is about 22147.2021709290. The cubic root of 490498564 is about 788.6408097942.

The spelling of 490498564 in words is "four hundred ninety million, four hundred ninety-eight thousand, five hundred sixty-four".