27043275081313 has 2 divisors, whose sum is σ = 27043275081314. Its totient is φ = 27043275081312.

The previous prime is 27043275081293. The next prime is 27043275081373. The reversal of 27043275081313 is 31318057234072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21769055095824 + 5274219985489 = 4665732^2 + 2296567^2 .

It is a cyclic number.

It is not a de Polignac number, because 27043275081313 - 2²⁹ = 27042738210401 is a prime.

It is a super-3 number, since 3×27043275081313³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (27043275081373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13521637540656 + 13521637540657.

It is an arithmetic number, because the mean of its divisors is an integer number (13521637540657).

Almost surely, 2^{27043275081313} is an apocalyptic number.

It is an amenable number.

27043275081313 is a deficient number, since it is larger than the sum of its proper divisors (1).

27043275081313 is an equidigital number, since it uses as much as digits as its factorization.

27043275081313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 27043275081313 in words is "twenty-seven trillion, forty-three billion, two hundred seventy-five million, eighty-one thousand, three hundred thirteen".