25496670959 has 2 divisors, whose sum is σ = 25496670960. Its totient is φ = 25496670958.

The previous prime is 25496670949. The next prime is 25496671001. The reversal of 25496670959 is 95907669452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25496670959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25496670929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12748335479 + 12748335480.

It is an arithmetic number, because the mean of its divisors is an integer number (12748335480).

Almost surely, 2^25496670959 is an apocalyptic number.

25496670959 is a deficient number, since it is larger than the sum of its proper divisors (1).

25496670959 is an equidigital number, since it uses as much as digits as its factorization.

25496670959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36741600, while the sum is 62.

The spelling of 25496670959 in words is "twenty-five billion, four hundred ninety-six million, six hundred seventy thousand, nine hundred fifty-nine".