27315702709 has 2 divisors, whose sum is σ = 27315702710. Its totient is φ = 27315702708.

The previous prime is 27315702703. The next prime is 27315702749. The reversal of 27315702709 is 90720751372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17345680209 + 9970022500 = 131703^2 + 99850^2 .

It is a cyclic number.

It is not a de Polignac number, because 27315702709 - 2¹⁷ = 27315571637 is a prime.

It is a super-2 number, since 2×27315702709² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27315702703) 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, 13657851354 + 13657851355.

It is an arithmetic number, because the mean of its divisors is an integer number (13657851355).

Almost surely, 2^27315702709 is an apocalyptic number.

It is an amenable number.

27315702709 is a deficient number, since it is larger than the sum of its proper divisors (1).

27315702709 is an equidigital number, since it uses as much as digits as its factorization.

27315702709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 185220, while the sum is 43.

The spelling of 27315702709 in words is "twenty-seven billion, three hundred fifteen million, seven hundred two thousand, seven hundred nine".