2609132689 has 2 divisors, whose sum is σ = 2609132690. Its totient is φ = 2609132688.

The previous prime is 2609132671. The next prime is 2609132711. The reversal of 2609132689 is 9862319062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2124472464 + 484660225 = 46092^2 + 22015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2609132689 - 2⁵ = 2609132657 is a prime.

It is not a weakly prime, because it can be changed into another prime (2609132189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1304566344 + 1304566345.

It is an arithmetic number, because the mean of its divisors is an integer number (1304566345).

Almost surely, 2^2609132689 is an apocalyptic number.

It is an amenable number.

2609132689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2609132689 is an equidigital number, since it uses as much as digits as its factorization.

2609132689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 2609132689 is about 51079.6700165536. The cubic root of 2609132689 is about 1376.6769954362.

The spelling of 2609132689 in words is "two billion, six hundred nine million, one hundred thirty-two thousand, six hundred eighty-nine".