2164731795 has 12 divisors (see below), whose sum is σ = 3752201856. Its totient is φ = 1154523600.

The previous prime is 2164731787. The next prime is 2164731799. The reversal of 2164731795 is 5971374612.

2164731795 is a `hidden beast` number, since 2 + 1 + 6 + 473 + 179 + 5 = 666.

It is not a de Polignac number, because 2164731795 - 2³ = 2164731787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 48105151 = 2164731795 / (2 + 1 + 6 + 4 + 7 + 3 + 1 + 7 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2164731795.

It is not an unprimeable number, because it can be changed into a prime (2164731799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24052531 + ... + 24052620.

It is an arithmetic number, because the mean of its divisors is an integer number (312683488).

Almost surely, 2^2164731795 is an apocalyptic number.

2164731795 is a deficient number, since it is larger than the sum of its proper divisors (1587470061).

2164731795 is a wasteful number, since it uses less digits than its factorization.

2164731795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48105162 (or 48105159 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 2164731795 is about 46526.6783147046. The cubic root of 2164731795 is about 1293.6040462668.

The spelling of 2164731795 in words is "two billion, one hundred sixty-four million, seven hundred thirty-one thousand, seven hundred ninety-five".