2133963172 has 24 divisors (see below), whose sum is σ = 4095054432. Its totient is φ = 964953600.

The previous prime is 2133963163. The next prime is 2133963269. The reversal of 2133963172 is 2713693312.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117154 + ... + 134137.

It is an arithmetic number, because the mean of its divisors is an integer number (170627268).

Almost surely, 2^2133963172 is an apocalyptic number.

2133963172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2133963172 is a deficient number, since it is larger than the sum of its proper divisors (1961091260).

2133963172 is a wasteful number, since it uses less digits than its factorization.

2133963172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251499 (or 251497 counting only the distinct ones).

The product of its digits is 40824, while the sum is 37.

The square root of 2133963172 is about 46194.8392355683. The cubic root of 2133963172 is about 1287.4458550391.

The spelling of 2133963172 in words is "two billion, one hundred thirty-three million, nine hundred sixty-three thousand, one hundred seventy-two".