18755699325 has 96 divisors (see below), whose sum is σ = 34363133952. Its totient is φ = 8951040000.

The previous prime is 18755699317. The next prime is 18755699377. The reversal of 18755699325 is 52399655781.

It is not a de Polignac number, because 18755699325 - 2³ = 18755699317 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17845050 + ... + 17846100.

It is an arithmetic number, because the mean of its divisors is an integer number (357949312).

Almost surely, 2^18755699325 is an apocalyptic number.

18755699325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18755699325 is a deficient number, since it is larger than the sum of its proper divisors (15607434627).

18755699325 is a wasteful number, since it uses less digits than its factorization.

18755699325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1390 counting only the distinct ones).

The product of its digits is 20412000, while the sum is 60.

The spelling of 18755699325 in words is "eighteen billion, seven hundred fifty-five million, six hundred ninety-nine thousand, three hundred twenty-five".