1066774860013 has 2 divisors, whose sum is σ = 1066774860014. Its totient is φ = 1066774860012.

The previous prime is 1066774859977. The next prime is 1066774860037. The reversal of 1066774860013 is 3100684776601.

1066774860013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009096593444 + 57678266569 = 1004538^2 + 240163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1066774860013 is a prime.

It is a super-2 number, since 2×1066774860013² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066774860113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533387430006 + 533387430007.

It is an arithmetic number, because the mean of its divisors is an integer number (533387430007).

Almost surely, 2^{1066774860013} is an apocalyptic number.

It is an amenable number.

1066774860013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066774860013 is an equidigital number, since it uses as much as digits as its factorization.

1066774860013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 1066774860013 in words is "one trillion, sixty-six billion, seven hundred seventy-four million, eight hundred sixty thousand, thirteen".