25882364338221 has 16 divisors (see below), whose sum is σ = 35351752161600. Its totient is φ = 16833948516480.

The previous prime is 25882364338219. The next prime is 25882364338231. The reversal of 25882364338221 is 12283346328852.

It is a happy number.

It is not a de Polignac number, because 25882364338221 - 2¹ = 25882364338219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25882364338211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21087991 + ... + 22281563.

It is an arithmetic number, because the mean of its divisors is an integer number (2209484510100).

Almost surely, 2^{25882364338221} is an apocalyptic number.

It is an amenable number.

25882364338221 is a deficient number, since it is larger than the sum of its proper divisors (9469387823379).

25882364338221 is a wasteful number, since it uses less digits than its factorization.

25882364338221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369916.

The product of its digits is 26542080, while the sum is 57.

The spelling of 25882364338221 in words is "twenty-five trillion, eight hundred eighty-two billion, three hundred sixty-four million, three hundred thirty-eight thousand, two hundred twenty-one".