12955630431749 has 2 divisors, whose sum is σ = 12955630431750. Its totient is φ = 12955630431748.

The previous prime is 12955630431713. The next prime is 12955630431761. The reversal of 12955630431749 is 94713403655921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9804526163524 + 3151104268225 = 3131218^2 + 1775135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12955630431749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12955630431649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6477815215874 + 6477815215875.

It is an arithmetic number, because the mean of its divisors is an integer number (6477815215875).

Almost surely, 2^{12955630431749} is an apocalyptic number.

It is an amenable number.

12955630431749 is a deficient number, since it is larger than the sum of its proper divisors (1).

12955630431749 is an equidigital number, since it uses as much as digits as its factorization.

12955630431749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24494400, while the sum is 59.

The spelling of 12955630431749 in words is "twelve trillion, nine hundred fifty-five billion, six hundred thirty million, four hundred thirty-one thousand, seven hundred forty-nine".