13818326943 has 8 divisors (see below), whose sum is σ = 18428467456. Its totient is φ = 9210202200.

The previous prime is 13818326923. The next prime is 13818326981. The reversal of 13818326943 is 34962381831.

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

It is not a de Polignac number, because 13818326943 - 2¹⁶ = 13818261407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13818326892 and 13818326901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13818326923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487873 + ... + 515418.

It is an arithmetic number, because the mean of its divisors is an integer number (2303558432).

Almost surely, 2^13818326943 is an apocalyptic number.

13818326943 is a deficient number, since it is larger than the sum of its proper divisors (4610140513).

13818326943 is a wasteful number, since it uses less digits than its factorization.

13818326943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007885.

The product of its digits is 746496, while the sum is 48.

The spelling of 13818326943 in words is "thirteen billion, eight hundred eighteen million, three hundred twenty-six thousand, nine hundred forty-three".