2549683872 has 96 divisors (see below), whose sum is σ = 7828027200. Its totient is φ = 805158144.

The previous prime is 2549683859. The next prime is 2549683909. The reversal of 2549683872 is 2783869452.

2549683872 is a `hidden beast` number, since 2 + 5 + 496 + 83 + 8 + 72 = 666.

2549683872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61243 + ... + 94074.

It is an arithmetic number, because the mean of its divisors is an integer number (81541950).

Almost surely, 2^2549683872 is an apocalyptic number.

It is an amenable number.

2549683872 is an abundant number, since it is smaller than the sum of its proper divisors (5278343328).

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

2549683872 is a wasteful number, since it uses less digits than its factorization.

2549683872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155355 (or 155341 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 2549683872 is about 50494.3944611677. The cubic root of 2549683872 is about 1366.1407490878.

It can be divided in two parts, 254968 and 3872, that added together give a triangular number (258840 = T₇₁₉).

The spelling of 2549683872 in words is "two billion, five hundred forty-nine million, six hundred eighty-three thousand, eight hundred seventy-two".