14243408686784 has 56 divisors (see below), whose sum is σ = 29082677092848. Its totient is φ = 6918150886400.

The previous prime is 14243408686783. The next prime is 14243408686817. The reversal of 14243408686784 is 48768680434241.

It is a happy number.

It is a super-2 number, since 2×14243408686784² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14243408686784.

It is not an unprimeable number, because it can be changed into a prime (14243408686783) 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, 20445122 + ... + 21130305.

Almost surely, 2^{14243408686784} is an apocalyptic number.

It is an amenable number.

14243408686784 is an abundant number, since it is smaller than the sum of its proper divisors (14839268406064).

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

14243408686784 is a wasteful number, since it uses less digits than its factorization.

14243408686784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41575593 (or 41575583 counting only the distinct ones).

The product of its (nonzero) digits is 198180864, while the sum is 65.

The spelling of 14243408686784 in words is "fourteen trillion, two hundred forty-three billion, four hundred eight million, six hundred eighty-six thousand, seven hundred eighty-four".