2137872384 has 72 divisors (see below), whose sum is σ = 6174621180. Its totient is φ = 712617984.

The previous prime is 2137872367. The next prime is 2137872391. The reversal of 2137872384 is 4832787312.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39562 + ... + 76425.

Almost surely, 2^2137872384 is an apocalyptic number.

2137872384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2137872384 is an abundant number, since it is smaller than the sum of its proper divisors (4036748796).

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

2137872384 is a wasteful number, since it uses less digits than its factorization.

2137872384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116015 (or 115992 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 2137872384 is about 46237.1320909937. The cubic root of 2137872384 is about 1288.2315338044.

The spelling of 2137872384 in words is "two billion, one hundred thirty-seven million, eight hundred seventy-two thousand, three hundred eighty-four".