443424034013 has 4 divisors (see below), whose sum is σ = 448406326620. Its totient is φ = 438441741408.

The previous prime is 443424033961. The next prime is 443424034033. The reversal of 443424034013 is 310430424344.

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 178268039524 + 265155994489 = 422218^2 + 514933^2 .

It is a cyclic number.

It is not a de Polignac number, because 443424034013 - 2²⁰ = 443422985437 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 (443424034033) 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, 2491146170 + ... + 2491146347.

It is an arithmetic number, because the mean of its divisors is an integer number (112101581655).

Almost surely, 2^443424034013 is an apocalyptic number.

It is an amenable number.

443424034013 is a deficient number, since it is larger than the sum of its proper divisors (4982292607).

443424034013 is an equidigital number, since it uses as much as digits as its factorization.

443424034013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982292606.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 443424034013 its reverse (310430424344), we get a palindrome (753854458357).

The spelling of 443424034013 in words is "four hundred forty-three billion, four hundred twenty-four million, thirty-four thousand, thirteen".