27386488243 has 2 divisors, whose sum is σ = 27386488244. Its totient is φ = 27386488242.

The previous prime is 27386488201. The next prime is 27386488303. The reversal of 27386488243 is 34288468372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27386488243 - 2²¹ = 27384391091 is a prime.

It is not a weakly prime, because it can be changed into another prime (27386488543) 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, 13693244121 + 13693244122.

It is an arithmetic number, because the mean of its divisors is an integer number (13693244122).

Almost surely, 2^27386488243 is an apocalyptic number.

27386488243 is a deficient number, since it is larger than the sum of its proper divisors (1).

27386488243 is an equidigital number, since it uses as much as digits as its factorization.

27386488243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12386304, while the sum is 55.

The spelling of 27386488243 in words is "twenty-seven billion, three hundred eighty-six million, four hundred eighty-eight thousand, two hundred forty-three".