1315260849893 has 2 divisors, whose sum is σ = 1315260849894. Its totient is φ = 1315260849892.

The previous prime is 1315260849887. The next prime is 1315260849901. The reversal of 1315260849893 is 3989480625131.

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., 1314524161729 + 736688164 = 1146527^2 + 27142^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315260849893 - 2³⁴ = 1298080980709 is a prime.

It is a super-2 number, since 2×1315260849893² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315260849293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657630424946 + 657630424947.

It is an arithmetic number, because the mean of its divisors is an integer number (657630424947).

Almost surely, 2^{1315260849893} is an apocalyptic number.

It is an amenable number.

1315260849893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315260849893 is an equidigital number, since it uses as much as digits as its factorization.

1315260849893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 1315260849893 in words is "one trillion, three hundred fifteen billion, two hundred sixty million, eight hundred forty-nine thousand, eight hundred ninety-three".