1808074641325 has 24 divisors (see below), whose sum is σ = 2320143499080. Its totient is φ = 1396087929600.

The previous prime is 1808074641323. The next prime is 1808074641371. The reversal of 1808074641325 is 5231464708081.

It can be written as a sum of positive squares in 12 ways, for example, as 504648268996 + 1303426372329 = 710386^2 + 1141677^2 .

It is not a de Polignac number, because 1808074641325 - 2¹ = 1808074641323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1808074641323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1617295 + ... + 2496355.

It is an arithmetic number, because the mean of its divisors is an integer number (96672645795).

Almost surely, 2^{1808074641325} is an apocalyptic number.

It is an amenable number.

1808074641325 is a deficient number, since it is larger than the sum of its proper divisors (512068857755).

1808074641325 is a wasteful number, since it uses less digits than its factorization.

1808074641325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881937 (or 881932 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 1808074641325 in words is "one trillion, eight hundred eight billion, seventy-four million, six hundred forty-one thousand, three hundred twenty-five".