12774595185853 has 2 divisors, whose sum is σ = 12774595185854. Its totient is φ = 12774595185852.

The previous prime is 12774595185811. The next prime is 12774595185887. The reversal of 12774595185853 is 35858159547721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11265132311449 + 1509462874404 = 3356357^2 + 1228602^2 .

It is a cyclic number.

It is not a de Polignac number, because 12774595185853 - 2²⁵ = 12774561631421 is a prime.

It is a super-2 number, since 2×12774595185853² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12774595185953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6387297592926 + 6387297592927.

It is an arithmetic number, because the mean of its divisors is an integer number (6387297592927).

Almost surely, 2^{12774595185853} is an apocalyptic number.

It is an amenable number.

12774595185853 is a deficient number, since it is larger than the sum of its proper divisors (1).

12774595185853 is an equidigital number, since it uses as much as digits as its factorization.

12774595185853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360000, while the sum is 70.

The spelling of 12774595185853 in words is "twelve trillion, seven hundred seventy-four billion, five hundred ninety-five million, one hundred eighty-five thousand, eight hundred fifty-three".