27052945889 has 2 divisors, whose sum is σ = 27052945890. Its totient is φ = 27052945888.

The previous prime is 27052945879. The next prime is 27052945891. The reversal of 27052945889 is 98854925072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14929174225 + 12123771664 = 122185^2 + 110108^2 .

It is a cyclic number.

It is not a de Polignac number, because 27052945889 - 2²⁸ = 26784510433 is a prime.

Together with 27052945891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27052945819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13526472944 + 13526472945.

It is an arithmetic number, because the mean of its divisors is an integer number (13526472945).

Almost surely, 2^27052945889 is an apocalyptic number.

It is an amenable number.

27052945889 is a deficient number, since it is larger than the sum of its proper divisors (1).

27052945889 is an equidigital number, since it uses as much as digits as its factorization.

27052945889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 27052945889 in words is "twenty-seven billion, fifty-two million, nine hundred forty-five thousand, eight hundred eighty-nine".