18372325253 has 16 divisors (see below), whose sum is σ = 20013144000. Its totient is φ = 16799311872.

The previous prime is 18372325229. The next prime is 18372325259. The reversal of 18372325253 is 35252327381.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18372325253 - 2¹⁸ = 18372063109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18372325253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18372325259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2810693 + ... + 2817221.

It is an arithmetic number, because the mean of its divisors is an integer number (1250821500).

Almost surely, 2^18372325253 is an apocalyptic number.

It is an amenable number.

18372325253 is a deficient number, since it is larger than the sum of its proper divisors (1640818747).

18372325253 is a wasteful number, since it uses less digits than its factorization.

18372325253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11684.

The product of its digits is 302400, while the sum is 41.

The spelling of 18372325253 in words is "eighteen billion, three hundred seventy-two million, three hundred twenty-five thousand, two hundred fifty-three".