443334041413221 has 24 divisors (see below), whose sum is σ = 687657276601344. Its totient is φ = 253320058205760.

The previous prime is 443334041413199. The next prime is 443334041413247. The reversal of 443334041413221 is 122314140433344.

It is not a de Polignac number, because 443334041413221 - 2⁵ = 443334041413189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 443334041413221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443334041463221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78695205 + ... + 84140378.

It is an arithmetic number, because the mean of its divisors is an integer number (28652386525056).

Almost surely, 2^{443334041413221} is an apocalyptic number.

It is an amenable number.

443334041413221 is a deficient number, since it is larger than the sum of its proper divisors (244323235188123).

443334041413221 is a wasteful number, since it uses less digits than its factorization.

443334041413221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162854121 (or 162854114 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 39.

Adding to 443334041413221 its reverse (122314140433344), we get a palindrome (565648181846565).

The spelling of 443334041413221 in words is "four hundred forty-three trillion, three hundred thirty-four billion, forty-one million, four hundred thirteen thousand, two hundred twenty-one".