14243444405 has 4 divisors (see below), whose sum is σ = 17092133292. Its totient is φ = 11394755520.

The previous prime is 14243444381. The next prime is 14243444443. The reversal of 14243444405 is 50444434241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3568628644 + 10674815761 = 59738^2 + 103319^2 .

It is not a de Polignac number, because 14243444405 - 2²² = 14239250101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 1424344436 + ... + 1424344445.

It is an arithmetic number, because the mean of its divisors is an integer number (4273033323).

Almost surely, 2^14243444405 is an apocalyptic number.

It is an amenable number.

14243444405 is a deficient number, since it is larger than the sum of its proper divisors (2848688887).

14243444405 is an equidigital number, since it uses as much as digits as its factorization.

14243444405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848688886.

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 14243444405 its reverse (50444434241), we get a palindrome (64687878646).

The spelling of 14243444405 in words is "fourteen billion, two hundred forty-three million, four hundred forty-four thousand, four hundred five".