25680321790790 has 16 divisors (see below), whose sum is σ = 46682248326480. Its totient is φ = 10170424471200.

The previous prime is 25680321790639. The next prime is 25680321790829. The reversal of 25680321790790 is 9709712308652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12713029580 + ... + 12713031599.

It is an arithmetic number, because the mean of its divisors is an integer number (2917640520405).

Almost surely, 2^{25680321790790} is an apocalyptic number.

25680321790790 is a deficient number, since it is larger than the sum of its proper divisors (21001926535690).

25680321790790 is a wasteful number, since it uses less digits than its factorization.

25680321790790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25426061287.

The product of its (nonzero) digits is 11430720, while the sum is 59.

The spelling of 25680321790790 in words is "twenty-five trillion, six hundred eighty billion, three hundred twenty-one million, seven hundred ninety thousand, seven hundred ninety".