568867913 has 2 divisors, whose sum is σ = 568867914. Its totient is φ = 568867912.

The previous prime is 568867879. The next prime is 568867919. The reversal of 568867913 is 319768865.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 441336064 + 127531849 = 21008^2 + 11293^2 .

It is a cyclic number.

It is not a de Polignac number, because 568867913 - 2¹² = 568863817 is a prime.

It is a super-2 number, since 2×568867913² = 647221404881951138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (568867919) by changing a digit.

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, 284433956 + 284433957.

It is an arithmetic number, because the mean of its divisors is an integer number (284433957).

Almost surely, 2^568867913 is an apocalyptic number.

It is an amenable number.

568867913 is a deficient number, since it is larger than the sum of its proper divisors (1).

568867913 is an equidigital number, since it uses as much as digits as its factorization.

568867913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 53.

The square root of 568867913 is about 23850.9520355058. The cubic root of 568867913 is about 828.5851508953.

The spelling of 568867913 in words is "five hundred sixty-eight million, eight hundred sixty-seven thousand, nine hundred thirteen".