2564983679 has 8 divisors (see below), whose sum is σ = 2787079680. Its totient is φ = 2351597400.

The previous prime is 2564983661. The next prime is 2564983721. The reversal of 2564983679 is 9763894652.

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 2564983679 - 2¹⁶ = 2564918143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564983639) 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, 2176817 + ... + 2177994.

It is an arithmetic number, because the mean of its divisors is an integer number (348384960).

Almost surely, 2^2564983679 is an apocalyptic number.

2564983679 is a deficient number, since it is larger than the sum of its proper divisors (222096001).

2564983679 is a wasteful number, since it uses less digits than its factorization.

2564983679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354861.

The product of its digits is 19595520, while the sum is 59.

The square root of 2564983679 is about 50645.6679193788. The cubic root of 2564983679 is about 1368.8678872519.

The spelling of 2564983679 in words is "two billion, five hundred sixty-four million, nine hundred eighty-three thousand, six hundred seventy-nine".