2639210089 has 2 divisors, whose sum is σ = 2639210090. Its totient is φ = 2639210088.

The previous prime is 2639210087. The next prime is 2639210137. The reversal of 2639210089 is 9800129362.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1352768400 + 1286441689 = 36780^2 + 35867^2 .

It is a cyclic number.

It is not a de Polignac number, because 2639210089 - 2¹ = 2639210087 is a prime.

Together with 2639210087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2639210081) 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 as a sum of consecutive naturals, namely, 1319605044 + 1319605045.

It is an arithmetic number, because the mean of its divisors is an integer number (1319605045).

Almost surely, 2^2639210089 is an apocalyptic number.

It is an amenable number.

2639210089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2639210089 is an equidigital number, since it uses as much as digits as its factorization.

2639210089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 2639210089 is about 51373.2429285908. The cubic root of 2639210089 is about 1381.9467883296.

It can be divided in two parts, 26392 and 10089, that added together give a square (36481 = 191²).

The spelling of 2639210089 in words is "two billion, six hundred thirty-nine million, two hundred ten thousand, eighty-nine".