2564384735 has 8 divisors (see below), whose sum is σ = 3357012816. Its totient is φ = 1865007040.

The previous prime is 2564384731. The next prime is 2564384743. The reversal of 2564384735 is 5374834652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2564384735 - 2² = 2564384731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2564384735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564384731) 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, 23312534 + ... + 23312643.

It is an arithmetic number, because the mean of its divisors is an integer number (419626602).

Almost surely, 2^2564384735 is an apocalyptic number.

2564384735 is a deficient number, since it is larger than the sum of its proper divisors (792628081).

2564384735 is a wasteful number, since it uses less digits than its factorization.

2564384735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46625193.

The product of its digits is 2419200, while the sum is 47.

The square root of 2564384735 is about 50639.7544919009. The cubic root of 2564384735 is about 1368.7613317939.

The spelling of 2564384735 in words is "two billion, five hundred sixty-four million, three hundred eighty-four thousand, seven hundred thirty-five".