568434867722681 has 8 divisors (see below), whose sum is σ = 575641820929920. Its totient is φ = 561228203893968.

The previous prime is 568434867722609. The next prime is 568434867722693. The reversal of 568434867722681 is 186227768434865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 568434867722681 - 2⁴⁶ = 498066123545017 is a prime.

It is a super-2 number, since 2×568434867722681² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (568434867724681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68389706 + ... + 76249731.

It is an arithmetic number, because the mean of its divisors is an integer number (71955227616240).

Almost surely, 2^{568434867722681} is an apocalyptic number.

It is an amenable number.

568434867722681 is a deficient number, since it is larger than the sum of its proper divisors (7206953207239).

568434867722681 is a wasteful number, since it uses less digits than its factorization.

568434867722681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144689263.

The product of its digits is 5202247680, while the sum is 77.

The spelling of 568434867722681 in words is "five hundred sixty-eight trillion, four hundred thirty-four billion, eight hundred sixty-seven million, seven hundred twenty-two thousand, six hundred eighty-one".