25453164743 has 2 divisors, whose sum is σ = 25453164744. Its totient is φ = 25453164742.

The previous prime is 25453164721. The next prime is 25453164799. The reversal of 25453164743 is 34746135452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25453164743 - 2⁸ = 25453164487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25453164694 and 25453164703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25453164713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12726582371 + 12726582372.

It is an arithmetic number, because the mean of its divisors is an integer number (12726582372).

Almost surely, 2^25453164743 is an apocalyptic number.

25453164743 is a deficient number, since it is larger than the sum of its proper divisors (1).

25453164743 is an equidigital number, since it uses as much as digits as its factorization.

25453164743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 44.

The spelling of 25453164743 in words is "twenty-five billion, four hundred fifty-three million, one hundred sixty-four thousand, seven hundred forty-three".