2569511972 has 48 divisors (see below), whose sum is σ = 4628655360. Its totient is φ = 1247780352.

The previous prime is 2569511963. The next prime is 2569511977. The reversal of 2569511972 is 2791159652.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2569511977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8105558 + ... + 8105874.

It is an arithmetic number, because the mean of its divisors is an integer number (96430320).

Almost surely, 2^2569511972 is an apocalyptic number.

It is an amenable number.

2569511972 is a deficient number, since it is larger than the sum of its proper divisors (2059143388).

2569511972 is a wasteful number, since it uses less digits than its factorization.

2569511972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 738 counting only the distinct ones).

The product of its digits is 340200, while the sum is 47.

The square root of 2569511972 is about 50690.3538358138. The cubic root of 2569511972 is about 1369.6729593918.

The spelling of 2569511972 in words is "two billion, five hundred sixty-nine million, five hundred eleven thousand, nine hundred seventy-two".