25360964399 has 2 divisors, whose sum is σ = 25360964400. Its totient is φ = 25360964398.

The previous prime is 25360964371. The next prime is 25360964401. The reversal of 25360964399 is 99346906352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25360964399 - 2²⁸ = 25092528943 is a prime.

It is a Sophie Germain prime.

Together with 25360964401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25360963399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12680482199 + 12680482200.

It is an arithmetic number, because the mean of its divisors is an integer number (12680482200).

Almost surely, 2^25360964399 is an apocalyptic number.

25360964399 is a deficient number, since it is larger than the sum of its proper divisors (1).

25360964399 is an equidigital number, since it uses as much as digits as its factorization.

25360964399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9447840, while the sum is 56.

The spelling of 25360964399 in words is "twenty-five billion, three hundred sixty million, nine hundred sixty-four thousand, three hundred ninety-nine".