5664139487 has 16 divisors (see below), whose sum is σ = 6013961472. Its totient is φ = 5325212160.

The previous prime is 5664139483. The next prime is 5664139499. The reversal of 5664139487 is 7849314665.

It is a cyclic number.

It is not a de Polignac number, because 5664139487 - 2² = 5664139483 is a prime.

It is a super-2 number, since 2×5664139487² = 64164952256385246338, 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 (5664139483) 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, 837383 + ... + 844119.

It is an arithmetic number, because the mean of its divisors is an integer number (375872592).

Almost surely, 2^5664139487 is an apocalyptic number.

5664139487 is a deficient number, since it is larger than the sum of its proper divisors (349821985).

5664139487 is a wasteful number, since it uses less digits than its factorization.

5664139487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7538.

The product of its digits is 4354560, while the sum is 53.

The square root of 5664139487 is about 75260.4775895024. The cubic root of 5664139487 is about 1782.5620101606.

The spelling of 5664139487 in words is "five billion, six hundred sixty-four million, one hundred thirty-nine thousand, four hundred eighty-seven".