568718891113 has 4 divisors (see below), whose sum is σ = 569470171780. Its totient is φ = 567967610448.

The previous prime is 568718891099. The next prime is 568718891119. The reversal of 568718891113 is 311198817865.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 295156418089 + 273562473024 = 543283^2 + 523032^2 .

It is a cyclic number.

It is not a de Polignac number, because 568718891113 - 2³³ = 560128956521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (568718891119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375639198 + ... + 375640711.

It is an arithmetic number, because the mean of its divisors is an integer number (142367542945).

Almost surely, 2^568718891113 is an apocalyptic number.

It is an amenable number.

568718891113 is a deficient number, since it is larger than the sum of its proper divisors (751280667).

568718891113 is an equidigital number, since it uses as much as digits as its factorization.

568718891113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751280666.

The product of its digits is 2903040, while the sum is 58.

The spelling of 568718891113 in words is "five hundred sixty-eight billion, seven hundred eighteen million, eight hundred ninety-one thousand, one hundred thirteen".