14239779437818 has 16 divisors (see below), whose sum is σ = 23312807290656. Its totient is φ = 6469474231440.

The previous prime is 14239779437813. The next prime is 14239779437857. The reversal of 14239779437818 is 81873497793241.

It is a super-2 number, since 2×14239779437818² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14239779437813) 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, 157593096 + ... + 157683427.

It is an arithmetic number, because the mean of its divisors is an integer number (1457050455666).

Almost surely, 2^{14239779437818} is an apocalyptic number.

14239779437818 is a deficient number, since it is larger than the sum of its proper divisors (9073027852838).

14239779437818 is a wasteful number, since it uses less digits than its factorization.

14239779437818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315278589.

The product of its digits is 512096256, while the sum is 73.

The spelling of 14239779437818 in words is "fourteen trillion, two hundred thirty-nine billion, seven hundred seventy-nine million, four hundred thirty-seven thousand, eight hundred eighteen".