14239539668 has 6 divisors (see below), whose sum is σ = 24919194426. Its totient is φ = 7119769832.

The previous prime is 14239539667. The next prime is 14239539673. The reversal of 14239539668 is 86693593241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12135666244 + 2103873424 = 110162^2 + 45868^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14239539667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1779942455 + ... + 1779942462.

It is an arithmetic number, because the mean of its divisors is an integer number (4153199071).

Almost surely, 2^14239539668 is an apocalyptic number.

It is an amenable number.

14239539668 is a deficient number, since it is larger than the sum of its proper divisors (10679654758).

14239539668 is a wasteful number, since it uses less digits than its factorization.

14239539668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559884921 (or 3559884919 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 56.

The spelling of 14239539668 in words is "fourteen billion, two hundred thirty-nine million, five hundred thirty-nine thousand, six hundred sixty-eight".