27318981059 has 2 divisors, whose sum is σ = 27318981060. Its totient is φ = 27318981058.

The previous prime is 27318981031. The next prime is 27318981083. The reversal of 27318981059 is 95018981372.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27318981059 - 2²⁰ = 27317932483 is a prime.

It is a super-2 number, since 2×27318981059² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27318981059.

It is not a weakly prime, because it can be changed into another prime (27318981559) 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, 13659490529 + 13659490530.

It is an arithmetic number, because the mean of its divisors is an integer number (13659490530).

Almost surely, 2^27318981059 is an apocalyptic number.

27318981059 is a deficient number, since it is larger than the sum of its proper divisors (1).

27318981059 is an equidigital number, since it uses as much as digits as its factorization.

27318981059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 27318981059 in words is "twenty-seven billion, three hundred eighteen million, nine hundred eighty-one thousand, fifty-nine".