2543137264 has 40 divisors (see below), whose sum is σ = 5042958480. Its totient is φ = 1242075648.

The previous prime is 2543137237. The next prime is 2543137279. The reversal of 2543137264 is 4627313452.

2543137264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 107434 + ... + 128950.

It is an arithmetic number, because the mean of its divisors is an integer number (126073962).

Almost surely, 2^2543137264 is an apocalyptic number.

It is an amenable number.

2543137264 is a deficient number, since it is larger than the sum of its proper divisors (2499821216).

2543137264 is a wasteful number, since it uses less digits than its factorization.

2543137264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21697 (or 21691 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 2543137264 is about 50429.5276995532. The cubic root of 2543137264 is about 1364.9705055191.

The spelling of 2543137264 in words is "two billion, five hundred forty-three million, one hundred thirty-seven thousand, two hundred sixty-four".