443413419997 has 2 divisors, whose sum is σ = 443413419998. Its totient is φ = 443413419996.

The previous prime is 443413419991. The next prime is 443413420063. The reversal of 443413419997 is 799914314344.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395724032356 + 47689387641 = 629066^2 + 218379^2 .

It is a cyclic number.

It is not a de Polignac number, because 443413419997 - 2¹¹ = 443413417949 is a prime.

It is a super-2 number, since 2×443413419997² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (443413419991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221706709998 + 221706709999.

It is an arithmetic number, because the mean of its divisors is an integer number (221706709999).

Almost surely, 2^443413419997 is an apocalyptic number.

It is an amenable number.

443413419997 is a deficient number, since it is larger than the sum of its proper divisors (1).

443413419997 is an equidigital number, since it uses as much as digits as its factorization.

443413419997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 58.

The spelling of 443413419997 in words is "four hundred forty-three billion, four hundred thirteen million, four hundred nineteen thousand, nine hundred ninety-seven".