1262416368313 has 2 divisors, whose sum is σ = 1262416368314. Its totient is φ = 1262416368312.

The previous prime is 1262416368287. The next prime is 1262416368349. The reversal of 1262416368313 is 3138636142621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 958856140944 + 303560227369 = 979212^2 + 550963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1262416368313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1262416368113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631208184156 + 631208184157.

It is an arithmetic number, because the mean of its divisors is an integer number (631208184157).

Almost surely, 2^{1262416368313} is an apocalyptic number.

It is an amenable number.

1262416368313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1262416368313 is an equidigital number, since it uses as much as digits as its factorization.

1262416368313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 46.

It can be divided in two parts, 1262416 and 368313, that added together give a square (1630729 = 1277²).

The spelling of 1262416368313 in words is "one trillion, two hundred sixty-two billion, four hundred sixteen million, three hundred sixty-eight thousand, three hundred thirteen".