27133889645 has 8 divisors (see below), whose sum is σ = 34274387040. Its totient is φ = 20564632080.

The previous prime is 27133889633. The next prime is 27133889663. The reversal of 27133889645 is 54698833172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27133889645 - 2⁸ = 27133889389 is a prime.

It is a super-3 number, since 3×27133889645³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142809851 + ... + 142810040.

It is an arithmetic number, because the mean of its divisors is an integer number (4284298380).

Almost surely, 2^27133889645 is an apocalyptic number.

It is an amenable number.

27133889645 is a deficient number, since it is larger than the sum of its proper divisors (7140497395).

27133889645 is a wasteful number, since it uses less digits than its factorization.

27133889645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285619915.

The product of its digits is 8709120, while the sum is 56.

The spelling of 27133889645 in words is "twenty-seven billion, one hundred thirty-three million, eight hundred eighty-nine thousand, six hundred forty-five".