25453164799 has 2 divisors, whose sum is σ = 25453164800. Its totient is φ = 25453164798.

The previous prime is 25453164743. The next prime is 25453164811. The reversal of 25453164799 is 99746135452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25453164799 - 2¹³ = 25453156607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25453164719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12726582399 + 12726582400.

It is an arithmetic number, because the mean of its divisors is an integer number (12726582400).

Almost surely, 2^25453164799 is an apocalyptic number.

25453164799 is a deficient number, since it is larger than the sum of its proper divisors (1).

25453164799 is an equidigital number, since it uses as much as digits as its factorization.

25453164799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 55.

The spelling of 25453164799 in words is "twenty-five billion, four hundred fifty-three million, one hundred sixty-four thousand, seven hundred ninety-nine".