443444113 has 4 divisors (see below), whose sum is σ = 506793280. Its totient is φ = 380094948.

The previous prime is 443444081. The next prime is 443444129. The reversal of 443444113 is 311444344.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 443444113 - 2⁵ = 443444081 is a prime.

It is a super-3 number, since 3×443444113³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (443444213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31674573 + ... + 31674586.

It is an arithmetic number, because the mean of its divisors is an integer number (126698320).

Almost surely, 2^443444113 is an apocalyptic number.

It is an amenable number.

443444113 is a deficient number, since it is larger than the sum of its proper divisors (63349167).

443444113 is an equidigital number, since it uses as much as digits as its factorization.

443444113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63349166.

The product of its digits is 9216, while the sum is 28.

The square root of 443444113 is about 21058.1127596943. The cubic root of 443444113 is about 762.5698514527.

Adding to 443444113 its reverse (311444344), we get a palindrome (754888457).

The spelling of 443444113 in words is "four hundred forty-three million, four hundred forty-four thousand, one hundred thirteen".