2162643875 has 32 divisors (see below), whose sum is σ = 3113510400. Its totient is φ = 1469032800.

The previous prime is 2162643829. The next prime is 2162643887. The reversal of 2162643875 is 5783462612.

It is not a de Polignac number, because 2162643875 - 2¹² = 2162639779 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82076 + ... + 105174.

It is an arithmetic number, because the mean of its divisors is an integer number (97297200).

Almost surely, 2^2162643875 is an apocalyptic number.

2162643875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2162643875 is a deficient number, since it is larger than the sum of its proper divisors (950866525).

2162643875 is a wasteful number, since it uses less digits than its factorization.

2162643875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23228 (or 23218 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 2162643875 is about 46504.2350221999. The cubic root of 2162643875 is about 1293.1880115722.

The spelling of 2162643875 in words is "two billion, one hundred sixty-two million, six hundred forty-three thousand, eight hundred seventy-five".