2137759189 has 2 divisors, whose sum is σ = 2137759190. Its totient is φ = 2137759188.

The previous prime is 2137759177. The next prime is 2137759193. The reversal of 2137759189 is 9819577312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1198336689 + 939422500 = 34617^2 + 30650^2 .

It is a cyclic number.

It is not a de Polignac number, because 2137759189 - 2²⁵ = 2104204757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2137759109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068879594 + 1068879595.

It is an arithmetic number, because the mean of its divisors is an integer number (1068879595).

Almost surely, 2^2137759189 is an apocalyptic number.

It is an amenable number.

2137759189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2137759189 is an equidigital number, since it uses as much as digits as its factorization.

2137759189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 52.

The square root of 2137759189 is about 46235.9080044937. The cubic root of 2137759189 is about 1288.2087971896.

The spelling of 2137759189 in words is "two billion, one hundred thirty-seven million, seven hundred fifty-nine thousand, one hundred eighty-nine".