27008343613 has 2 divisors, whose sum is σ = 27008343614. Its totient is φ = 27008343612.

The previous prime is 27008343601. The next prime is 27008343647. The reversal of 27008343613 is 31634380072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26860915449 + 147428164 = 163893^2 + 12142^2 .

It is a cyclic number.

It is not a de Polignac number, because 27008343613 - 2¹⁷ = 27008212541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27008323613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13504171806 + 13504171807.

It is an arithmetic number, because the mean of its divisors is an integer number (13504171807).

Almost surely, 2^27008343613 is an apocalyptic number.

It is an amenable number.

27008343613 is a deficient number, since it is larger than the sum of its proper divisors (1).

27008343613 is an equidigital number, since it uses as much as digits as its factorization.

27008343613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 27008343613 in words is "twenty-seven billion, eight million, three hundred forty-three thousand, six hundred thirteen".