1311413442439 has 4 divisors (see below), whose sum is σ = 1313989893720. Its totient is φ = 1308836991160.

The previous prime is 1311413442433. The next prime is 1311413442463. The reversal of 1311413442439 is 9342443141131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1311413442439 - 2¹¹ = 1311413440391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311413442433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288224877 + ... + 1288225894.

It is an arithmetic number, because the mean of its divisors is an integer number (328497473430).

Almost surely, 2^{1311413442439} is an apocalyptic number.

1311413442439 is a deficient number, since it is larger than the sum of its proper divisors (2576451281).

1311413442439 is an equidigital number, since it uses as much as digits as its factorization.

1311413442439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576451280.

The product of its digits is 124416, while the sum is 40.

The spelling of 1311413442439 in words is "one trillion, three hundred eleven billion, four hundred thirteen million, four hundred forty-two thousand, four hundred thirty-nine".