1296444118213 has 2 divisors, whose sum is σ = 1296444118214. Its totient is φ = 1296444118212.

The previous prime is 1296444118171. The next prime is 1296444118231. The reversal of 1296444118213 is 3128114446921.

Together with next prime (1296444118231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1282868839044 + 13575279169 = 1132638^2 + 116513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1296444118213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1296444118253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648222059106 + 648222059107.

It is an arithmetic number, because the mean of its divisors is an integer number (648222059107).

Almost surely, 2^{1296444118213} is an apocalyptic number.

It is an amenable number.

1296444118213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1296444118213 is an equidigital number, since it uses as much as digits as its factorization.

1296444118213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 46.

The spelling of 1296444118213 in words is "one trillion, two hundred ninety-six billion, four hundred forty-four million, one hundred eighteen thousand, two hundred thirteen".