2639096189 has 2 divisors, whose sum is σ = 2639096190. Its totient is φ = 2639096188.

The previous prime is 2639096111. The next prime is 2639096191. The reversal of 2639096189 is 9816909362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2637644164 + 1452025 = 51358^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 2639096189 - 2²⁰ = 2638047613 is a prime.

It is a Sophie Germain prime.

Together with 2639096191, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2639096189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2639096689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319548094 + 1319548095.

It is an arithmetic number, because the mean of its divisors is an integer number (1319548095).

Almost surely, 2^2639096189 is an apocalyptic number.

It is an amenable number.

2639096189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2639096189 is an equidigital number, since it uses as much as digits as its factorization.

2639096189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The square root of 2639096189 is about 51372.1343629015. The cubic root of 2639096189 is about 1381.9269078858.

The spelling of 2639096189 in words is "two billion, six hundred thirty-nine million, ninety-six thousand, one hundred eighty-nine".