443344110130421 has 4 divisors (see below), whose sum is σ = 443344313487744. Its totient is φ = 443343906773100.

The previous prime is 443344110130391. The next prime is 443344110130459. The reversal of 443344110130421 is 124031011443344.

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 a de Polignac number, because none of the positive numbers 2^k-443344110130421 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 (443344110130321) 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, 98372645 + ... + 102780666.

It is an arithmetic number, because the mean of its divisors is an integer number (110836078371936).

Almost surely, 2^{443344110130421} is an apocalyptic number.

It is an amenable number.

443344110130421 is a deficient number, since it is larger than the sum of its proper divisors (203357323).

443344110130421 is a wasteful number, since it uses less digits than its factorization.

443344110130421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203357322.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 443344110130421 its reverse (124031011443344), we get a palindrome (567375121573765).

The spelling of 443344110130421 in words is "four hundred forty-three trillion, three hundred forty-four billion, one hundred ten million, one hundred thirty thousand, four hundred twenty-one".