27340185659 has 2 divisors, whose sum is σ = 27340185660. Its totient is φ = 27340185658.

The previous prime is 27340185599. The next prime is 27340185701. The reversal of 27340185659 is 95658104372.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27340185659 - 2¹⁶ = 27340120123 is a prime.

It is a super-3 number, since 3×27340185659³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (27340185259) 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, 13670092829 + 13670092830.

It is an arithmetic number, because the mean of its divisors is an integer number (13670092830).

It is a 1-persistent number, because it is pandigital, but 2⋅27340185659 = 54680371318 is not.

Almost surely, 2^27340185659 is an apocalyptic number.

27340185659 is a deficient number, since it is larger than the sum of its proper divisors (1).

27340185659 is an equidigital number, since it uses as much as digits as its factorization.

27340185659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 27340185659 in words is "twenty-seven billion, three hundred forty million, one hundred eighty-five thousand, six hundred fifty-nine".