5664239867 has 16 divisors (see below), whose sum is σ = 6656640480. Its totient is φ = 4751673600.

The previous prime is 5664239857. The next prime is 5664239873. The reversal of 5664239867 is 7689324665.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5664239867 - 2³² = 1369272571 is a prime.

It is a super-2 number, since 2×5664239867² = 64167226541824355378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5664239807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748559 + ... + 756087.

It is an arithmetic number, because the mean of its divisors is an integer number (416040030).

Almost surely, 2^5664239867 is an apocalyptic number.

5664239867 is a deficient number, since it is larger than the sum of its proper divisors (992400613).

5664239867 is a wasteful number, since it uses less digits than its factorization.

5664239867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12814.

The product of its digits is 13063680, while the sum is 56.

The square root of 5664239867 is about 75261.1444704371. The cubic root of 5664239867 is about 1782.5725402989.

The spelling of 5664239867 in words is "five billion, six hundred sixty-four million, two hundred thirty-nine thousand, eight hundred sixty-seven".