4443399997 has 2 divisors, whose sum is σ = 4443399998. Its totient is φ = 4443399996.

The previous prime is 4443399977. The next prime is 4443400033. The reversal of 4443399997 is 7999933444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3604081156 + 839318841 = 60034^2 + 28971^2 .

It is a cyclic number.

It is not a de Polignac number, because 4443399997 - 2¹¹ = 4443397949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4443399977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221699998 + 2221699999.

It is an arithmetic number, because the mean of its divisors is an integer number (2221699999).

Almost surely, 2^4443399997 is an apocalyptic number.

It is an amenable number.

4443399997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4443399997 is an equidigital number, since it uses as much as digits as its factorization.

4443399997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26453952, while the sum is 61.

The square root of 4443399997 is about 66658.8328505683. The cubic root of 4443399997 is about 1644.0125813520.

The spelling of 4443399997 in words is "four billion, four hundred forty-three million, three hundred ninety-nine thousand, nine hundred ninety-seven".