568025573681 has 4 divisors (see below), whose sum is σ = 573649589364. Its totient is φ = 562401558000.

The previous prime is 568025573671. The next prime is 568025573683. The reversal of 568025573681 is 186375520865.

It is a happy number.

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 435281938081 + 132743635600 = 659759^2 + 364340^2 .

It is a cyclic number.

It is not a de Polignac number, because 568025573681 - 2¹⁰ = 568025572657 is a prime.

It is a super-2 number, since 2×568025573681² (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 (568025573683) 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, 2812007690 + ... + 2812007891.

It is an arithmetic number, because the mean of its divisors is an integer number (143412397341).

Almost surely, 2^568025573681 is an apocalyptic number.

It is an amenable number.

568025573681 is a deficient number, since it is larger than the sum of its proper divisors (5624015683).

568025573681 is a wasteful number, since it uses less digits than its factorization.

568025573681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624015682.

The product of its (nonzero) digits is 12096000, while the sum is 56.

The spelling of 568025573681 in words is "five hundred sixty-eight billion, twenty-five million, five hundred seventy-three thousand, six hundred eighty-one".