568761513490 has 16 divisors (see below), whose sum is σ = 1032830644248. Its totient is φ = 225491289856.

The previous prime is 568761513479. The next prime is 568761513493. The reversal of 568761513490 is 94315167865.

It can be written as a sum of positive squares in 4 ways, for example, as 289619414569 + 279142098921 = 538163^2 + 528339^2 .

It is not an unprimeable number, because it can be changed into a prime (568761513493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251663257 + ... + 251665516.

Almost surely, 2^568761513490 is an apocalyptic number.

568761513490 is a deficient number, since it is larger than the sum of its proper divisors (464069130758).

568761513490 is a wasteful number, since it uses less digits than its factorization.

568761513490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503328893.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 568761513490 in words is "five hundred sixty-eight billion, seven hundred sixty-one million, five hundred thirteen thousand, four hundred ninety".