1316242635193 has 2 divisors, whose sum is σ = 1316242635194. Its totient is φ = 1316242635192.

The previous prime is 1316242635091. The next prime is 1316242635217. The reversal of 1316242635193 is 3915362426131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1265382011664 + 50860623529 = 1124892^2 + 225523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316242635193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316242135193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658121317596 + 658121317597.

It is an arithmetic number, because the mean of its divisors is an integer number (658121317597).

Almost surely, 2^{1316242635193} is an apocalyptic number.

It is an amenable number.

1316242635193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316242635193 is an equidigital number, since it uses as much as digits as its factorization.

1316242635193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 46.

The spelling of 1316242635193 in words is "one trillion, three hundred sixteen billion, two hundred forty-two million, six hundred thirty-five thousand, one hundred ninety-three".