2133220189 has 2 divisors, whose sum is σ = 2133220190. Its totient is φ = 2133220188.

The previous prime is 2133220171. The next prime is 2133220241. The reversal of 2133220189 is 9810223312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1587624025 + 545596164 = 39845^2 + 23358^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133220189 - 2⁵ = 2133220157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2133220189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2133220109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066610094 + 1066610095.

It is an arithmetic number, because the mean of its divisors is an integer number (1066610095).

Almost surely, 2^2133220189 is an apocalyptic number.

It is an amenable number.

2133220189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133220189 is an equidigital number, since it uses as much as digits as its factorization.

2133220189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2133220189 is about 46186.7966955926. The cubic root of 2133220189 is about 1287.2964208108.

The spelling of 2133220189 in words is "two billion, one hundred thirty-three million, two hundred twenty thousand, one hundred eighty-nine".