25644046795 has 4 divisors (see below), whose sum is σ = 30772856160. Its totient is φ = 20515237432.

The previous prime is 25644046741. The next prime is 25644046807. The reversal of 25644046795 is 59764044652.

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 25644046795 - 2¹¹ = 25644044747 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2564404675 + ... + 2564404684.

It is an arithmetic number, because the mean of its divisors is an integer number (7693214040).

Almost surely, 2^25644046795 is an apocalyptic number.

25644046795 is a deficient number, since it is larger than the sum of its proper divisors (5128809365).

25644046795 is an equidigital number, since it uses as much as digits as its factorization.

25644046795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128809364.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 25644046795 in words is "twenty-five billion, six hundred forty-four million, forty-six thousand, seven hundred ninety-five".