2564943079 has 8 divisors (see below), whose sum is σ = 2626557120. Its totient is φ = 2503622496.

The previous prime is 2564943071. The next prime is 2564943103. The reversal of 2564943079 is 9703494652.

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 2564943079 - 2³ = 2564943071 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 (2564943071) 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, 55624 + ... + 90685.

It is an arithmetic number, because the mean of its divisors is an integer number (328319640).

Almost surely, 2^2564943079 is an apocalyptic number.

2564943079 is a deficient number, since it is larger than the sum of its proper divisors (61614041).

2564943079 is a wasteful number, since it uses less digits than its factorization.

2564943079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146729.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The square root of 2564943079 is about 50645.2670937769. The cubic root of 2564943079 is about 1368.8606648109.

The spelling of 2564943079 in words is "two billion, five hundred sixty-four million, nine hundred forty-three thousand, seventy-nine".