2137872368 has 40 divisors (see below), whose sum is σ = 4231782720. Its totient is φ = 1045981440.

The previous prime is 2137872367. The next prime is 2137872391. The reversal of 2137872368 is 8632787312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137872367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186713 + ... + 197831.

It is an arithmetic number, because the mean of its divisors is an integer number (105794568).

Almost surely, 2^2137872368 is an apocalyptic number.

It is an amenable number.

2137872368 is a deficient number, since it is larger than the sum of its proper divisors (2093910352).

2137872368 is a wasteful number, since it uses less digits than its factorization.

2137872368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11385 (or 11379 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 2137872368 is about 46237.1319179726. The cubic root of 2137872368 is about 1288.2315305906.

The spelling of 2137872368 in words is "two billion, one hundred thirty-seven million, eight hundred seventy-two thousand, three hundred sixty-eight".