32139918991827 has 6 divisors (see below), whose sum is σ = 46424327432652. Its totient is φ = 21426612661212.

The previous prime is 32139918991793. The next prime is 32139918991883. The reversal of 32139918991827 is 72819981993123.

32139918991827 is a `hidden beast` number, since 3 + 21 + 399 + 189 + 9 + 18 + 27 = 666.

It is not a de Polignac number, because 32139918991827 - 2⁷ = 32139918991699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32139918990827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1785551055093 + ... + 1785551055110.

It is an arithmetic number, because the mean of its divisors is an integer number (7737387905442).

Almost surely, 2^{32139918991827} is an apocalyptic number.

32139918991827 is a deficient number, since it is larger than the sum of its proper divisors (14284408440825).

32139918991827 is a wasteful number, since it uses less digits than its factorization.

32139918991827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571102110209 (or 3571102110206 counting only the distinct ones).

The product of its digits is 105815808, while the sum is 72.

The spelling of 32139918991827 in words is "thirty-two trillion, one hundred thirty-nine billion, nine hundred eighteen million, nine hundred ninety-one thousand, eight hundred twenty-seven".