27144301091 has 2 divisors, whose sum is σ = 27144301092. Its totient is φ = 27144301090.

The previous prime is 27144300973. The next prime is 27144301109. The reversal of 27144301091 is 19010344172.

Together with next prime (27144301109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27144301091 - 2²⁶ = 27077192227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (27144301291) 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, 13572150545 + 13572150546.

It is an arithmetic number, because the mean of its divisors is an integer number (13572150546).

Almost surely, 2^27144301091 is an apocalyptic number.

27144301091 is a deficient number, since it is larger than the sum of its proper divisors (1).

27144301091 is an equidigital number, since it uses as much as digits as its factorization.

27144301091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 27144301091 in words is "twenty-seven billion, one hundred forty-four million, three hundred one thousand, ninety-one".