1350686742809 has 8 divisors (see below), whose sum is σ = 1363836434688. Its totient is φ = 1337546800240.

The previous prime is 1350686742781. The next prime is 1350686742817. The reversal of 1350686742809 is 9082476860531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1350686742809 - 2²⁸ = 1350418307353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1350686742829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2158742 + ... + 2713215.

It is an arithmetic number, because the mean of its divisors is an integer number (170479554336).

It is a 1-persistent number, because it is pandigital, but 2⋅1350686742809 = 2701373485618 is not.

Almost surely, 2^{1350686742809} is an apocalyptic number.

It is an amenable number.

1350686742809 is a deficient number, since it is larger than the sum of its proper divisors (13149691879).

1350686742809 is a wasteful number, since it uses less digits than its factorization.

1350686742809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874655.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 1350686742809 in words is "one trillion, three hundred fifty billion, six hundred eighty-six million, seven hundred forty-two thousand, eight hundred nine".