25453164869 has 8 divisors (see below), whose sum is σ = 27808355712. Its totient is φ = 23104851840.

The previous prime is 25453164857. The next prime is 25453164901. The reversal of 25453164869 is 96846135452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25453164869 is a prime.

It is a super-2 number, since 2×25453164869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25453164869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25453164169) 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 in 7 ways as a sum of consecutive naturals, for example, 1711709 + ... + 1726514.

It is an arithmetic number, because the mean of its divisors is an integer number (3476044464).

Almost surely, 2^25453164869 is an apocalyptic number.

It is an amenable number.

25453164869 is a deficient number, since it is larger than the sum of its proper divisors (2355190843).

25453164869 is a wasteful number, since it uses less digits than its factorization.

25453164869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438907.

The product of its digits is 6220800, while the sum is 53.

The spelling of 25453164869 in words is "twenty-five billion, four hundred fifty-three million, one hundred sixty-four thousand, eight hundred sixty-nine".