12955766745773 has 2 divisors, whose sum is σ = 12955766745774. Its totient is φ = 12955766745772.

The previous prime is 12955766745739. The next prime is 12955766745781. The reversal of 12955766745773 is 37754766755921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12910381982404 + 45384763369 = 3593102^2 + 213037^2 .

It is a cyclic number.

It is not a de Polignac number, because 12955766745773 - 2³⁰ = 12954693003949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12955766745773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12955766745473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6477883372886 + 6477883372887.

It is an arithmetic number, because the mean of its divisors is an integer number (6477883372887).

Almost surely, 2^{12955766745773} is an apocalyptic number.

It is an amenable number.

12955766745773 is a deficient number, since it is larger than the sum of its proper divisors (1).

12955766745773 is an equidigital number, since it uses as much as digits as its factorization.

12955766745773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2333772000, while the sum is 74.

The spelling of 12955766745773 in words is "twelve trillion, nine hundred fifty-five billion, seven hundred sixty-six million, seven hundred forty-five thousand, seven hundred seventy-three".