13943544618 has 8 divisors (see below), whose sum is σ = 27887089248. Its totient is φ = 4647848204.

The previous prime is 13943544617. The next prime is 13943544647. The reversal of 13943544618 is 81644534931.

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

13943544618 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13943544613) 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, 1161962046 + ... + 1161962057.

It is an arithmetic number, because the mean of its divisors is an integer number (3485886156).

Almost surely, 2^13943544618 is an apocalyptic number.

13943544618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13943544618 is a wasteful number, since it uses less digits than its factorization.

13943544618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323924108.

The product of its digits is 1244160, while the sum is 48.

The spelling of 13943544618 in words is "thirteen billion, nine hundred forty-three million, five hundred forty-four thousand, six hundred eighteen".