14231774209 has 3 divisors (see below), whose sum is σ = 14231893507. Its totient is φ = 14231654912.

The previous prime is 14231774201. The next prime is 14231774303. The reversal of 14231774209 is 90247713241.

It is a happy number.

The square root of 14231774209 is 119297.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 13776890625 + 454883584 = 117375^2 + 21328^2 .

It is not a de Polignac number, because 14231774209 - 2³ = 14231774201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14231774201) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 59649 + ... + 178945.

Almost surely, 2^14231774209 is an apocalyptic number.

14231774209 is the 119297-th square number.

14231774209 is the 59649-th centered octagonal number.

It is an amenable number.

14231774209 is a deficient number, since it is larger than the sum of its proper divisors (119298).

14231774209 is an frugal number, since it uses more digits than its factorization.

14231774209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238594 (or 119297 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 14231774209 in words is "fourteen billion, two hundred thirty-one million, seven hundred seventy-four thousand, two hundred nine".