27008323613 has 2 divisors, whose sum is σ = 27008323614. Its totient is φ = 27008323612.

The previous prime is 27008323609. The next prime is 27008323621. The reversal of 27008323613 is 31632380072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25916814169 + 1091509444 = 160987^2 + 33038^2 .

It is a cyclic number.

It is not a de Polignac number, because 27008323613 - 2² = 27008323609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27008323673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13504161806 + 13504161807.

It is an arithmetic number, because the mean of its divisors is an integer number (13504161807).

Almost surely, 2^27008323613 is an apocalyptic number.

It is an amenable number.

27008323613 is a deficient number, since it is larger than the sum of its proper divisors (1).

27008323613 is an equidigital number, since it uses as much as digits as its factorization.

27008323613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 27008323613 in words is "twenty-seven billion, eight million, three hundred twenty-three thousand, six hundred thirteen".