568664405036401 has 4 divisors (see below), whose sum is σ = 568664564451904. Its totient is φ = 568664245620900.

The previous prime is 568664405036339. The next prime is 568664405036459. The reversal of 568664405036401 is 104630504466865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 568664405036401 - 2²⁷ = 568664270818673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (568664405036201) 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, 74231565 + ... + 81533146.

It is an arithmetic number, because the mean of its divisors is an integer number (142166141112976).

Almost surely, 2^{568664405036401} is an apocalyptic number.

It is an amenable number.

568664405036401 is a deficient number, since it is larger than the sum of its proper divisors (159415503).

568664405036401 is a wasteful number, since it uses less digits than its factorization.

568664405036401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159415502.

The product of its (nonzero) digits is 49766400, while the sum is 58.

The spelling of 568664405036401 in words is "five hundred sixty-eight trillion, six hundred sixty-four billion, four hundred five million, thirty-six thousand, four hundred one".