5656564719 has 16 divisors (see below), whose sum is σ = 9024719200. Its totient is φ = 3480962688.

The previous prime is 5656564687. The next prime is 5656564729. The reversal of 5656564719 is 9174656565.

5656564719 is a `hidden beast` number, since 5 + 6 + 5 + 6 + 564 + 71 + 9 = 666.

It is not a de Polignac number, because 5656564719 - 2⁵ = 5656564687 is a prime.

It is a super-2 number, since 2×5656564719² = 63993448840471097922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656564729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8057434 + ... + 8058135.

It is an arithmetic number, because the mean of its divisors is an integer number (564044950).

Almost surely, 2^5656564719 is an apocalyptic number.

5656564719 is a deficient number, since it is larger than the sum of its proper divisors (3368154481).

5656564719 is a wasteful number, since it uses less digits than its factorization.

5656564719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16115591 (or 16115585 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The square root of 5656564719 is about 75210.1370760618. The cubic root of 5656564719 is about 1781.7670369652.

The spelling of 5656564719 in words is "five billion, six hundred fifty-six million, five hundred sixty-four thousand, seven hundred nineteen".