18832355332138 has 4 divisors (see below), whose sum is σ = 28248532998210. Its totient is φ = 9416177666068.

The previous prime is 18832355332123. The next prime is 18832355332213. The reversal of 18832355332138 is 83123355323881.

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

It can be written as a sum of positive squares in only one way, i.e., 13311749269729 + 5520606062409 = 3648527^2 + 2349597^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4708088833033 + ... + 4708088833036.

Almost surely, 2^{18832355332138} is an apocalyptic number.

18832355332138 is a deficient number, since it is larger than the sum of its proper divisors (9416177666072).

18832355332138 is an equidigital number, since it uses as much as digits as its factorization.

18832355332138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9416177666071.

The product of its digits is 12441600, while the sum is 55.

The spelling of 18832355332138 in words is "eighteen trillion, eight hundred thirty-two billion, three hundred fifty-five million, three hundred thirty-two thousand, one hundred thirty-eight".