14543747705 has 16 divisors (see below), whose sum is σ = 17586363600. Its totient is φ = 11545903872.

The previous prime is 14543747683. The next prime is 14543747719. The reversal of 14543747705 is 50774734541.

It can be written as a sum of positive squares in 8 ways, for example, as 7824994681 + 6718753024 = 88459^2 + 81968^2 .

It is a cyclic number.

It is not a de Polignac number, because 14543747705 - 2¹⁶ = 14543682169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14543747705.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 823427 + ... + 840903.

It is an arithmetic number, because the mean of its divisors is an integer number (1099147725).

Almost surely, 2^14543747705 is an apocalyptic number.

It is an amenable number.

14543747705 is a deficient number, since it is larger than the sum of its proper divisors (3042615895).

14543747705 is a wasteful number, since it uses less digits than its factorization.

14543747705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18748.

The product of its (nonzero) digits is 1646400, while the sum is 47.

The spelling of 14543747705 in words is "fourteen billion, five hundred forty-three million, seven hundred forty-seven thousand, seven hundred five".