1315444762913 has 4 divisors (see below), whose sum is σ = 1315447782960. Its totient is φ = 1315441742868.

The previous prime is 1315444762909. The next prime is 1315444762943. The reversal of 1315444762913 is 3192674445131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1315444762913 - 2² = 1315444762909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315444762943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718295 + ... + 1773932.

It is an arithmetic number, because the mean of its divisors is an integer number (328861945740).

Almost surely, 2^{1315444762913} is an apocalyptic number.

It is an amenable number.

1315444762913 is a deficient number, since it is larger than the sum of its proper divisors (3020047).

1315444762913 is an equidigital number, since it uses as much as digits as its factorization.

1315444762913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020046.

The product of its digits is 2177280, while the sum is 50.

The spelling of 1315444762913 in words is "one trillion, three hundred fifteen billion, four hundred forty-four million, seven hundred sixty-two thousand, nine hundred thirteen".