27483166668649 has 2 divisors, whose sum is σ = 27483166668650. Its totient is φ = 27483166668648.

The previous prime is 27483166668623. The next prime is 27483166668751. The reversal of 27483166668649 is 94686666138472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17122216410000 + 10360950258649 = 4137900^2 + 3218843^2 .

It is a cyclic number.

It is not a de Polignac number, because 27483166668649 - 2¹⁷ = 27483166537577 is a prime.

It is not a weakly prime, because it can be changed into another prime (27483166666649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13741583334324 + 13741583334325.

It is an arithmetic number, because the mean of its divisors is an integer number (13741583334325).

Almost surely, 2^{27483166668649} is an apocalyptic number.

It is an amenable number.

27483166668649 is a deficient number, since it is larger than the sum of its proper divisors (1).

27483166668649 is an equidigital number, since it uses as much as digits as its factorization.

27483166668649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3009871872, while the sum is 76.

The spelling of 27483166668649 in words is "twenty-seven trillion, four hundred eighty-three billion, one hundred sixty-six million, six hundred sixty-eight thousand, six hundred forty-nine".