2564984972 has 24 divisors (see below), whose sum is σ = 4901267280. Its totient is φ = 1164836160.

The previous prime is 2564984941. The next prime is 2564984977. The reversal of 2564984972 is 2794894652.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2564984977) 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, 23054 + ... + 75242.

It is an arithmetic number, because the mean of its divisors is an integer number (204219470).

Almost surely, 2^2564984972 is an apocalyptic number.

2564984972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2564984972 is a deficient number, since it is larger than the sum of its proper divisors (2336282308).

2564984972 is a wasteful number, since it uses less digits than its factorization.

2564984972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53321 (or 53319 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The square root of 2564984972 is about 50645.6806845362. The cubic root of 2564984972 is about 1368.8681172658.

The spelling of 2564984972 in words is "two billion, five hundred sixty-four million, nine hundred eighty-four thousand, nine hundred seventy-two".