443220205013 has 2 divisors, whose sum is σ = 443220205014. Its totient is φ = 443220205012.

The previous prime is 443220205007. The next prime is 443220205027. The reversal of 443220205013 is 310502022344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437321657809 + 5898547204 = 661303^2 + 76802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-443220205013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (443220235013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221610102506 + 221610102507.

It is an arithmetic number, because the mean of its divisors is an integer number (221610102507).

Almost surely, 2^443220205013 is an apocalyptic number.

It is an amenable number.

443220205013 is a deficient number, since it is larger than the sum of its proper divisors (1).

443220205013 is an equidigital number, since it uses as much as digits as its factorization.

443220205013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 443220205013 its reverse (310502022344), we get a palindrome (753722227357).

The spelling of 443220205013 in words is "four hundred forty-three billion, two hundred twenty million, two hundred five thousand, thirteen".