14045885618 has 18 divisors (see below), whose sum is σ = 21231730557. Its totient is φ = 6969057480.

The previous prime is 14045885611. The next prime is 14045885621. The reversal of 14045885618 is 81658854041.

It can be written as a sum of positive squares in 2 ways, for example, as 8489226769 + 5556658849 = 92137^2 + 74543^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=83803.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14045885611) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30336455 + ... + 30336917.

Almost surely, 2^14045885618 is an apocalyptic number.

14045885618 is a deficient number, since it is larger than the sum of its proper divisors (7185844939).

14045885618 is an frugal number, since it uses more digits than its factorization.

14045885618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 50.

Multiplying 14045885618 by its sum of digits (50), we get a square (702294280900 = 838030²).

The spelling of 14045885618 in words is "fourteen billion, forty-five million, eight hundred eighty-five thousand, six hundred eighteen".