2133838864 has 20 divisors (see below), whose sum is σ = 4142748240. Its totient is φ = 1064742560.

The previous prime is 2133838859. The next prime is 2133838867. The reversal of 2133838864 is 4688383312.

It is not an unprimeable number, because it can be changed into a prime (2133838867) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 127954 + ... + 143665.

It is an arithmetic number, because the mean of its divisors is an integer number (207137412).

Almost surely, 2^2133838864 is an apocalyptic number.

It is an amenable number.

2133838864 is a deficient number, since it is larger than the sum of its proper divisors (2008909376).

2133838864 is a wasteful number, since it uses less digits than its factorization.

2133838864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272118 (or 272112 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 2133838864 is about 46193.4937410021. The cubic root of 2133838864 is about 1287.4208557125.

The spelling of 2133838864 in words is "two billion, one hundred thirty-three million, eight hundred thirty-eight thousand, eight hundred sixty-four".