2696889323509 has 2 divisors, whose sum is σ = 2696889323510. Its totient is φ = 2696889323508.

The previous prime is 2696889323483. The next prime is 2696889323543. The reversal of 2696889323509 is 9053239886962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1376757262609 + 1320132060900 = 1173353^2 + 1148970^2 .

It is a cyclic number.

It is not a de Polignac number, because 2696889323509 - 2²⁵ = 2696855769077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2696889323809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1348444661754 + 1348444661755.

It is an arithmetic number, because the mean of its divisors is an integer number (1348444661755).

Almost surely, 2^{2696889323509} is an apocalyptic number.

It is an amenable number.

2696889323509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2696889323509 is an equidigital number, since it uses as much as digits as its factorization.

2696889323509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302330880, while the sum is 70.

The spelling of 2696889323509 in words is "two trillion, six hundred ninety-six billion, eight hundred eighty-nine million, three hundred twenty-three thousand, five hundred nine".