443241244421 has 4 divisors (see below), whose sum is σ = 443242902144. Its totient is φ = 443239586700.

The previous prime is 443241244417. The next prime is 443241244529. The reversal of 443241244421 is 124442142344.

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 443241244421 - 2² = 443241244417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443241204421) 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, 326165 + ... + 996426.

It is an arithmetic number, because the mean of its divisors is an integer number (110810725536).

Almost surely, 2^443241244421 is an apocalyptic number.

It is an amenable number.

443241244421 is a deficient number, since it is larger than the sum of its proper divisors (1657723).

443241244421 is a wasteful number, since it uses less digits than its factorization.

443241244421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657722.

The product of its digits is 98304, while the sum is 35.

Adding to 443241244421 its reverse (124442142344), we get a palindrome (567683386765).

The spelling of 443241244421 in words is "four hundred forty-three billion, two hundred forty-one million, two hundred forty-four thousand, four hundred twenty-one".