27189322045 has 16 divisors (see below), whose sum is σ = 35349842880. Its totient is φ = 19995865344.

The previous prime is 27189322037. The next prime is 27189322057. The reversal of 27189322045 is 54022398172.

It is a cyclic number.

It is not a de Polignac number, because 27189322045 - 2³ = 27189322037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 27189321992 and 27189322010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3715815 + ... + 3723124.

It is an arithmetic number, because the mean of its divisors is an integer number (2209365180).

Almost surely, 2^27189322045 is an apocalyptic number.

It is an amenable number.

27189322045 is a deficient number, since it is larger than the sum of its proper divisors (8160520835).

27189322045 is a wasteful number, since it uses less digits than its factorization.

27189322045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7439004.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 27189322045 in words is "twenty-seven billion, one hundred eighty-nine million, three hundred twenty-two thousand, forty-five".