568269250561 has 4 divisors (see below), whose sum is σ = 568621557972. Its totient is φ = 567916943152.

The previous prime is 568269250559. The next prime is 568269250597. The reversal of 568269250561 is 165052962865.

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 247749089536 + 320520161025 = 497744^2 + 566145^2 .

It is a cyclic number.

It is not a de Polignac number, because 568269250561 - 2¹ = 568269250559 is a prime.

It is a super-2 number, since 2×568269250561² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (568269250501) 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, 176151286 + ... + 176154511.

It is an arithmetic number, because the mean of its divisors is an integer number (142155389493).

Almost surely, 2^568269250561 is an apocalyptic number.

It is an amenable number.

568269250561 is a deficient number, since it is larger than the sum of its proper divisors (352307411).

568269250561 is a wasteful number, since it uses less digits than its factorization.

568269250561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352307410.

The product of its (nonzero) digits is 7776000, while the sum is 55.

The spelling of 568269250561 in words is "five hundred sixty-eight billion, two hundred sixty-nine million, two hundred fifty thousand, five hundred sixty-one".