27660069518441 has 2 divisors, whose sum is σ = 27660069518442. Its totient is φ = 27660069518440.

The previous prime is 27660069518383. The next prime is 27660069518483. The reversal of 27660069518441 is 14481596006672.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15086201737216 + 12573867781225 = 3884096^2 + 3545965^2 .

It is a cyclic number.

It is not a de Polignac number, because 27660069518441 - 2³⁸ = 27385191611497 is a prime.

It is not a weakly prime, because it can be changed into another prime (27660069518491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13830034759220 + 13830034759221.

It is an arithmetic number, because the mean of its divisors is an integer number (13830034759221).

Almost surely, 2^{27660069518441} is an apocalyptic number.

It is an amenable number.

27660069518441 is a deficient number, since it is larger than the sum of its proper divisors (1).

27660069518441 is an equidigital number, since it uses as much as digits as its factorization.

27660069518441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 27660069518441 in words is "twenty-seven trillion, six hundred sixty billion, sixty-nine million, five hundred eighteen thousand, four hundred forty-one".