14844423217 has 4 divisors (see below), whose sum is σ = 15986301940. Its totient is φ = 13702544496.

The previous prime is 14844423211. The next prime is 14844423247. The reversal of 14844423217 is 71232444841.

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 1972159281 + 12872263936 = 44409^2 + 113456^2 .

It is a cyclic number.

It is not a de Polignac number, because 14844423217 - 2⁷ = 14844423089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14844423217.

It is not an unprimeable number, because it can be changed into a prime (14844423211) 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, 570939342 + ... + 570939367.

It is an arithmetic number, because the mean of its divisors is an integer number (3996575485).

Almost surely, 2^14844423217 is an apocalyptic number.

It is an amenable number.

14844423217 is a deficient number, since it is larger than the sum of its proper divisors (1141878723).

14844423217 is a wasteful number, since it uses less digits than its factorization.

14844423217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141878722.

The product of its digits is 172032, while the sum is 40.

The spelling of 14844423217 in words is "fourteen billion, eight hundred forty-four million, four hundred twenty-three thousand, two hundred seventeen".