13844106818 has 16 divisors (see below), whose sum is σ = 21115556280. Its totient is φ = 6806448000.

The previous prime is 13844106817. The next prime is 13844106833. The reversal of 13844106818 is 81860144831.

It can be written as a sum of positive squares in 4 ways, for example, as 10114928329 + 3729178489 = 100573^2 + 61067^2 .

It is not an unprimeable number, because it can be changed into a prime (13844106811) 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, 182633 + ... + 247068.

Almost surely, 2^13844106818 is an apocalyptic number.

13844106818 is a deficient number, since it is larger than the sum of its proper divisors (7271449462).

13844106818 is a wasteful number, since it uses less digits than its factorization.

13844106818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429973.

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 13844106818 in words is "thirteen billion, eight hundred forty-four million, one hundred six thousand, eight hundred eighteen".