27297428713 has 2 divisors, whose sum is σ = 27297428714. Its totient is φ = 27297428712.

The previous prime is 27297428677. The next prime is 27297428723. The reversal of 27297428713 is 31782479272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22212027369 + 5085401344 = 149037^2 + 71312^2 .

It is a cyclic number.

It is not a de Polignac number, because 27297428713 - 2¹⁷ = 27297297641 is a prime.

It is a super-2 number, since 2×27297428713² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27297428723) 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, 13648714356 + 13648714357.

It is an arithmetic number, because the mean of its divisors is an integer number (13648714357).

Almost surely, 2^27297428713 is an apocalyptic number.

It is an amenable number.

27297428713 is a deficient number, since it is larger than the sum of its proper divisors (1).

27297428713 is an equidigital number, since it uses as much as digits as its factorization.

27297428713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2370816, while the sum is 52.

The spelling of 27297428713 in words is "twenty-seven billion, two hundred ninety-seven million, four hundred twenty-eight thousand, seven hundred thirteen".