2565769472 has 72 divisors (see below), whose sum is σ = 6197538816. Its totient is φ = 1034919936.

The previous prime is 2565769469. The next prime is 2565769499. The reversal of 2565769472 is 2749675652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11648 + ... + 72575.

It is an arithmetic number, because the mean of its divisors is an integer number (86076928).

Almost surely, 2^2565769472 is an apocalyptic number.

It is an amenable number.

2565769472 is an abundant number, since it is smaller than the sum of its proper divisors (3631769344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2565769472 is an equidigital number, since it uses as much as digits as its factorization.

2565769472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84263 (or 84249 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 53.

The square root of 2565769472 is about 50653.4250766915. The cubic root of 2565769472 is about 1369.0076590288.

The spelling of 2565769472 in words is "two billion, five hundred sixty-five million, seven hundred sixty-nine thousand, four hundred seventy-two".