25096451789 has 2 divisors, whose sum is σ = 25096451790. Its totient is φ = 25096451788.

The previous prime is 25096451761. The next prime is 25096451857. The reversal of 25096451789 is 98715469052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19288487689 + 5807964100 = 138883^2 + 76210^2 .

It is a cyclic number.

It is not a de Polignac number, because 25096451789 - 2²⁴ = 25079674573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25096451719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12548225894 + 12548225895.

It is an arithmetic number, because the mean of its divisors is an integer number (12548225895).

Almost surely, 2^25096451789 is an apocalyptic number.

It is an amenable number.

25096451789 is a deficient number, since it is larger than the sum of its proper divisors (1).

25096451789 is an equidigital number, since it uses as much as digits as its factorization.

25096451789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 25096451789 in words is "twenty-five billion, ninety-six million, four hundred fifty-one thousand, seven hundred eighty-nine".