14159643818 has 8 divisors (see below), whose sum is σ = 21242833248. Its totient is φ = 7078699404.

The previous prime is 14159643803. The next prime is 14159643821. The reversal of 14159643818 is 81834695141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545396 + ... + 570767.

It is an arithmetic number, because the mean of its divisors is an integer number (2655354156).

Almost surely, 2^14159643818 is an apocalyptic number.

14159643818 is a deficient number, since it is larger than the sum of its proper divisors (7083189430).

14159643818 is a wasteful number, since it uses less digits than its factorization.

14159643818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122508.

The product of its digits is 829440, while the sum is 50.

The spelling of 14159643818 in words is "fourteen billion, one hundred fifty-nine million, six hundred forty-three thousand, eight hundred eighteen".