27455969141 has 2 divisors, whose sum is σ = 27455969142. Its totient is φ = 27455969140.

The previous prime is 27455969137. The next prime is 27455969143. The reversal of 27455969141 is 14196955472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26161768516 + 1294200625 = 161746^2 + 35975^2 .

It is a cyclic number.

It is not a de Polignac number, because 27455969141 - 2² = 27455969137 is a prime.

Together with 27455969143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27455969143) 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, 13727984570 + 13727984571.

It is an arithmetic number, because the mean of its divisors is an integer number (13727984571).

Almost surely, 2^27455969141 is an apocalyptic number.

It is an amenable number.

27455969141 is a deficient number, since it is larger than the sum of its proper divisors (1).

27455969141 is an equidigital number, since it uses as much as digits as its factorization.

27455969141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 53.

The spelling of 27455969141 in words is "twenty-seven billion, four hundred fifty-five million, nine hundred sixty-nine thousand, one hundred forty-one".