25453620829 has 24 divisors (see below), whose sum is σ = 31693152192. Its totient is φ = 20015424000.

The previous prime is 25453620743. The next prime is 25453620953. The reversal of 25453620829 is 92802635452.

It is not a de Polignac number, because 25453620829 - 2⁹ = 25453620317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25453623829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126829 + ... + 258829.

It is an arithmetic number, because the mean of its divisors is an integer number (1320548008).

Almost surely, 2^25453620829 is an apocalyptic number.

It is an amenable number.

25453620829 is a deficient number, since it is larger than the sum of its proper divisors (6239531363).

25453620829 is a wasteful number, since it uses less digits than its factorization.

25453620829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132197 (or 132184 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 25453620829 in words is "twenty-five billion, four hundred fifty-three million, six hundred twenty thousand, eight hundred twenty-nine".