568722489 has 16 divisors (see below), whose sum is σ = 773883072. Its totient is φ = 371379008.

The previous prime is 568722461. The next prime is 568722493. The reversal of 568722489 is 984227865.

It is a cyclic number.

It is not a de Polignac number, because 568722489 - 2⁷ = 568722361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (568722499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105979 + ... + 111215.

It is an arithmetic number, because the mean of its divisors is an integer number (48367692).

Almost surely, 2^568722489 is an apocalyptic number.

It is an amenable number.

568722489 is a deficient number, since it is larger than the sum of its proper divisors (205160583).

568722489 is a wasteful number, since it uses less digits than its factorization.

568722489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5976.

The product of its digits is 1935360, while the sum is 51.

The square root of 568722489 is about 23847.9032411657. The cubic root of 568722489 is about 828.5145390517.

The spelling of 568722489 in words is "five hundred sixty-eight million, seven hundred twenty-two thousand, four hundred eighty-nine".