27142876289 has 2 divisors, whose sum is σ = 27142876290. Its totient is φ = 27142876288.

The previous prime is 27142876261. The next prime is 27142876291. The reversal of 27142876289 is 98267824172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26636851264 + 506025025 = 163208^2 + 22495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27142876289 is a prime.

Together with 27142876291, 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 (27142876259) by changing a digit.

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 as a sum of consecutive naturals, namely, 13571438144 + 13571438145.

It is an arithmetic number, because the mean of its divisors is an integer number (13571438145).

Almost surely, 2^27142876289 is an apocalyptic number.

It is an amenable number.

27142876289 is a deficient number, since it is larger than the sum of its proper divisors (1).

27142876289 is an equidigital number, since it uses as much as digits as its factorization.

27142876289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5419008, while the sum is 56.

The spelling of 27142876289 in words is "twenty-seven billion, one hundred forty-two million, eight hundred seventy-six thousand, two hundred eighty-nine".