2609436251 has 2 divisors, whose sum is σ = 2609436252. Its totient is φ = 2609436250.

The previous prime is 2609436229. The next prime is 2609436257. The reversal of 2609436251 is 1526349062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2609436251 - 2³⁰ = 1535694427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2609436257) 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, 1304718125 + 1304718126.

It is an arithmetic number, because the mean of its divisors is an integer number (1304718126).

Almost surely, 2^2609436251 is an apocalyptic number.

2609436251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2609436251 is an equidigital number, since it uses as much as digits as its factorization.

2609436251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 2609436251 is about 51082.6413862870. The cubic root of 2609436251 is about 1376.7303836263.

The spelling of 2609436251 in words is "two billion, six hundred nine million, four hundred thirty-six thousand, two hundred fifty-one".