14856318317 has 4 divisors (see below), whose sum is σ = 14856598716. Its totient is φ = 14856037920.

The previous prime is 14856318311. The next prime is 14856318349. The reversal of 14856318317 is 71381365841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71381365841 = 17 ⋅4198903873.

It can be written as a sum of positive squares in 2 ways, for example, as 11749259236 + 3107059081 = 108394^2 + 55741^2 .

It is a cyclic number.

It is not a de Polignac number, because 14856318317 - 2¹⁶ = 14856252781 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 (14856318311) 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, 33818 + ... + 175659.

It is an arithmetic number, because the mean of its divisors is an integer number (3714149679).

Almost surely, 2^14856318317 is an apocalyptic number.

It is an amenable number.

14856318317 is a deficient number, since it is larger than the sum of its proper divisors (280399).

14856318317 is an equidigital number, since it uses as much as digits as its factorization.

14856318317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280398.

The product of its digits is 483840, while the sum is 47.

The spelling of 14856318317 in words is "fourteen billion, eight hundred fifty-six million, three hundred eighteen thousand, three hundred seventeen".