27148164289 has 3 divisors (see below), whose sum is σ = 27148329057. Its totient is φ = 27147999522.

The previous prime is 27148164257. The next prime is 27148164317. The reversal of 27148164289 is 98246184172.

The square root of 27148164289 is 164767.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 27148164289 - 2⁵ = 27148164257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27148164889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 82384 + ... + 247150.

It is an arithmetic number, because the mean of its divisors is an integer number (9049443019).

Almost surely, 2^27148164289 is an apocalyptic number.

27148164289 is the 164767-th square number.

27148164289 is the 82384-th centered octagonal number.

It is an amenable number.

27148164289 is a deficient number, since it is larger than the sum of its proper divisors (164768).

27148164289 is an frugal number, since it uses more digits than its factorization.

27148164289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329534 (or 164767 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The spelling of 27148164289 in words is "twenty-seven billion, one hundred forty-eight million, one hundred sixty-four thousand, two hundred eighty-nine".