2543749896 has 32 divisors (see below), whose sum is σ = 6371899200. Its totient is φ = 846246720.

The previous prime is 2543749867. The next prime is 2543749907. The reversal of 2543749896 is 6989473452.

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, 91900 + ... + 116331.

It is an arithmetic number, because the mean of its divisors is an integer number (199121850).

Almost surely, 2^2543749896 is an apocalyptic number.

It is an amenable number.

2543749896 is an abundant number, since it is smaller than the sum of its proper divisors (3828149304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543749896 is a wasteful number, since it uses less digits than its factorization.

2543749896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208749 (or 208745 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 57.

The square root of 2543749896 is about 50435.6014735623. The cubic root of 2543749896 is about 1365.0801021034.

The spelling of 2543749896 in words is "two billion, five hundred forty-three million, seven hundred forty-nine thousand, eight hundred ninety-six".