12613143216461 has 2 divisors, whose sum is σ = 12613143216462. Its totient is φ = 12613143216460.

The previous prime is 12613143216431. The next prime is 12613143216481. The reversal of 12613143216461 is 16461234131621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12479750263561 + 133392952900 = 3532669^2 + 365230^2 .

It is a cyclic number.

It is not a de Polignac number, because 12613143216461 - 2³⁰ = 12612069474637 is a prime.

It is a super-2 number, since 2×12613143216461² (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 (12613143216431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6306571608230 + 6306571608231.

It is an arithmetic number, because the mean of its divisors is an integer number (6306571608231).

Almost surely, 2^{12613143216461} is an apocalyptic number.

It is an amenable number.

12613143216461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12613143216461 is an equidigital number, since it uses as much as digits as its factorization.

12613143216461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The spelling of 12613143216461 in words is "twelve trillion, six hundred thirteen billion, one hundred forty-three million, two hundred sixteen thousand, four hundred sixty-one".