27418605271 has 4 divisors (see below), whose sum is σ = 27419167672. Its totient is φ = 27418042872.

The previous prime is 27418605251. The next prime is 27418605281. The reversal of 27418605271 is 17250681472.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27418605271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27418605241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200316 + ... + 308161.

It is an arithmetic number, because the mean of its divisors is an integer number (6854791918).

Almost surely, 2^27418605271 is an apocalyptic number.

27418605271 is a deficient number, since it is larger than the sum of its proper divisors (562401).

27418605271 is an equidigital number, since it uses as much as digits as its factorization.

27418605271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562400.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 27418605271 in words is "twenty-seven billion, four hundred eighteen million, six hundred five thousand, two hundred seventy-one".