25680790429733 has 4 divisors (see below), whose sum is σ = 26566334927340. Its totient is φ = 24795245932128.

The previous prime is 25680790429687. The next prime is 25680790429757. The reversal of 25680790429733 is 33792409708652.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14637411336769 + 11043379092964 = 3825887^2 + 3323158^2 .

It is a cyclic number.

It is not a de Polignac number, because 25680790429733 - 2¹² = 25680790425637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25680790429733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25680790429793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442772248760 + ... + 442772248817.

It is an arithmetic number, because the mean of its divisors is an integer number (6641583731835).

Almost surely, 2^{25680790429733} is an apocalyptic number.

It is an amenable number.

25680790429733 is a deficient number, since it is larger than the sum of its proper divisors (885544497607).

25680790429733 is an equidigital number, since it uses as much as digits as its factorization.

25680790429733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885544497606.

The product of its (nonzero) digits is 137168640, while the sum is 65.

The spelling of 25680790429733 in words is "twenty-five trillion, six hundred eighty billion, seven hundred ninety million, four hundred twenty-nine thousand, seven hundred thirty-three".