27189638204 has 6 divisors (see below), whose sum is σ = 47581866864. Its totient is φ = 13594819100.

The previous prime is 27189638183. The next prime is 27189638233. The reversal of 27189638204 is 40283698172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3398704772 + ... + 3398704779.

It is an arithmetic number, because the mean of its divisors is an integer number (7930311144).

Almost surely, 2^27189638204 is an apocalyptic number.

It is an amenable number.

27189638204 is a deficient number, since it is larger than the sum of its proper divisors (20392228660).

27189638204 is a wasteful number, since it uses less digits than its factorization.

27189638204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6797409555 (or 6797409553 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 27189638204 in words is "twenty-seven billion, one hundred eighty-nine million, six hundred thirty-eight thousand, two hundred four".