25221313339 has 8 divisors (see below), whose sum is σ = 27070742160. Its totient is φ = 23412531456.

The previous prime is 25221313331. The next prime is 25221313387. The reversal of 25221313339 is 93331312252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25221313339 - 2³ = 25221313331 is a prime.

It is a super-2 number, since 2×25221313339² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25221313331) by changing a digit.

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, 10160449 + ... + 10162930.

It is an arithmetic number, because the mean of its divisors is an integer number (3383842770).

Almost surely, 2^25221313339 is an apocalyptic number.

25221313339 is a deficient number, since it is larger than the sum of its proper divisors (1849428821).

25221313339 is a wasteful number, since it uses less digits than its factorization.

25221313339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20323469.

The product of its digits is 29160, while the sum is 34.

The spelling of 25221313339 in words is "twenty-five billion, two hundred twenty-one million, three hundred thirteen thousand, three hundred thirty-nine".