14326643645 has 16 divisors (see below), whose sum is σ = 18226195968. Its totient is φ = 10791817920.

The previous prime is 14326643603. The next prime is 14326643647. The reversal of 14326643645 is 54634662341.

It is not a de Polignac number, because 14326643645 - 2⁸ = 14326643389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14326643596 and 14326643605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14326643647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1243319 + ... + 1254788.

It is an arithmetic number, because the mean of its divisors is an integer number (1139137248).

Almost surely, 2^14326643645 is an apocalyptic number.

It is an amenable number.

14326643645 is a deficient number, since it is larger than the sum of its proper divisors (3899552323).

14326643645 is a wasteful number, since it uses less digits than its factorization.

14326643645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498180.

The product of its digits is 1244160, while the sum is 44.

The spelling of 14326643645 in words is "fourteen billion, three hundred twenty-six million, six hundred forty-three thousand, six hundred forty-five".