2533658564 has 24 divisors (see below), whose sum is σ = 4669939008. Its totient is φ = 1200420320.

The previous prime is 2533658557. The next prime is 2533658593. The reversal of 2533658564 is 4658563352.

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, 118847 + ... + 138534.

It is an arithmetic number, because the mean of its divisors is an integer number (194580792).

Almost surely, 2^2533658564 is an apocalyptic number.

It is an amenable number.

2533658564 is a deficient number, since it is larger than the sum of its proper divisors (2136280444).

2533658564 is a wasteful number, since it uses less digits than its factorization.

2533658564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257515 (or 257513 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 47.

The square root of 2533658564 is about 50335.4603038454. The cubic root of 2533658564 is about 1363.2725694442.

The spelling of 2533658564 in words is "two billion, five hundred thirty-three million, six hundred fifty-eight thousand, five hundred sixty-four".