25028969395 has 4 divisors (see below), whose sum is σ = 30034763280. Its totient is φ = 20023175512.

The previous prime is 25028969387. The next prime is 25028969437. The reversal of 25028969395 is 59396982052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25028969395 - 2³ = 25028969387 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502896935 + ... + 2502896944.

It is an arithmetic number, because the mean of its divisors is an integer number (7508690820).

Almost surely, 2^25028969395 is an apocalyptic number.

25028969395 is a deficient number, since it is larger than the sum of its proper divisors (5005793885).

25028969395 is an equidigital number, since it uses as much as digits as its factorization.

25028969395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005793884.

The product of its (nonzero) digits is 10497600, while the sum is 58.

The spelling of 25028969395 in words is "twenty-five billion, twenty-eight million, nine hundred sixty-nine thousand, three hundred ninety-five".