18490675325 has 12 divisors (see below), whose sum is σ = 23304315348. Its totient is φ = 14550038400.

The previous prime is 18490675319. The next prime is 18490675327. The reversal of 18490675325 is 52357609481.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1404525529 + 17086149796 = 37477^2 + 130714^2 .

It is not a de Polignac number, because 18490675325 - 2⁴ = 18490675309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18490675327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6060992 + ... + 6064041.

It is an arithmetic number, because the mean of its divisors is an integer number (1942026279).

It is a 1-persistent number, because it is pandigital, but 2⋅18490675325 = 36981350650 is not.

Almost surely, 2^18490675325 is an apocalyptic number.

It is an amenable number.

18490675325 is a deficient number, since it is larger than the sum of its proper divisors (4813640023).

18490675325 is a wasteful number, since it uses less digits than its factorization.

18490675325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125104 (or 12125099 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 18490675325 in words is "eighteen billion, four hundred ninety million, six hundred seventy-five thousand, three hundred twenty-five".