2139216233 has 96 divisors (see below), whose sum is σ = 3033676800. Its totient is φ = 1468938240.

The previous prime is 2139216203. The next prime is 2139216239. The reversal of 2139216233 is 3326129312.

It is not a de Polignac number, because 2139216233 - 2⁶ = 2139216169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2139216233.

It is not an unprimeable number, because it can be changed into a prime (2139216239) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19625783 + ... + 19625891.

It is an arithmetic number, because the mean of its divisors is an integer number (31600800).

Almost surely, 2^2139216233 is an apocalyptic number.

It is an amenable number.

2139216233 is a deficient number, since it is larger than the sum of its proper divisors (894460567).

2139216233 is a wasteful number, since it uses less digits than its factorization.

2139216233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 220 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 2139216233 is about 46251.6619485181. The cubic root of 2139216233 is about 1288.5014011830.

The spelling of 2139216233 in words is "two billion, one hundred thirty-nine million, two hundred sixteen thousand, two hundred thirty-three".