1334318728817 has 4 divisors (see below), whose sum is σ = 1334378454900. Its totient is φ = 1334259002736.

The previous prime is 1334318728811. The next prime is 1334318728837. The reversal of 1334318728817 is 7188278134331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 300922462096 + 1033396266721 = 548564^2 + 1016561^2 .

It is a cyclic number.

It is not a de Polignac number, because 1334318728817 - 2⁶ = 1334318728753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1334318728811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29829518 + ... + 29874215.

It is an arithmetic number, because the mean of its divisors is an integer number (333594613725).

Almost surely, 2^{1334318728817} is an apocalyptic number.

It is an amenable number.

1334318728817 is a deficient number, since it is larger than the sum of its proper divisors (59726083).

1334318728817 is an equidigital number, since it uses as much as digits as its factorization.

1334318728817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59726082.

The product of its digits is 5419008, while the sum is 56.

The spelling of 1334318728817 in words is "one trillion, three hundred thirty-four billion, three hundred eighteen million, seven hundred twenty-eight thousand, eight hundred seventeen".