2543324564 has 24 divisors (see below), whose sum is σ = 4937738400. Its totient is φ = 1136461280.

The previous prime is 2543324557. The next prime is 2543324617. The reversal of 2543324564 is 4654233452.

It is a congruent number.

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, 487259 + ... + 492450.

It is an arithmetic number, because the mean of its divisors is an integer number (205739100).

Almost surely, 2^2543324564 is an apocalyptic number.

It is an amenable number.

2543324564 is a deficient number, since it is larger than the sum of its proper divisors (2394413836).

2543324564 is a wasteful number, since it uses less digits than its factorization.

2543324564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979783 (or 979781 counting only the distinct ones).

The product of its digits is 345600, while the sum is 38.

The square root of 2543324564 is about 50431.3847122999. The cubic root of 2543324564 is about 1365.0040143540.

The spelling of 2543324564 in words is "two billion, five hundred forty-three million, three hundred twenty-four thousand, five hundred sixty-four".