25453164169 has 2 divisors, whose sum is σ = 25453164170. Its totient is φ = 25453164168.

The previous prime is 25453164157. The next prime is 25453164181. The reversal of 25453164169 is 96146135452.

It is a balanced prime because it is at equal distance from previous prime (25453164157) and next prime (25453164181).

It can be written as a sum of positive squares in only one way, i.e., 14990329225 + 10462834944 = 122435^2 + 102288^2 .

It is a cyclic number.

It is not a de Polignac number, because 25453164169 - 2¹¹ = 25453162121 is a prime.

It is a super-2 number, since 2×25453164169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25453164119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12726582084 + 12726582085.

It is an arithmetic number, because the mean of its divisors is an integer number (12726582085).

Almost surely, 2^25453164169 is an apocalyptic number.

It is an amenable number.

25453164169 is a deficient number, since it is larger than the sum of its proper divisors (1).

25453164169 is an equidigital number, since it uses as much as digits as its factorization.

25453164169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 46.

The spelling of 25453164169 in words is "twenty-five billion, four hundred fifty-three million, one hundred sixty-four thousand, one hundred sixty-nine".