4443421337 has 2 divisors, whose sum is σ = 4443421338. Its totient is φ = 4443421336.

The previous prime is 4443421321. The next prime is 4443421373. The reversal of 4443421337 is 7331243444.

Together with next prime (4443421373) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3219541081 + 1223880256 = 56741^2 + 34984^2 .

It is a cyclic number.

It is not a de Polignac number, because 4443421337 - 2⁴ = 4443421321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4443421297 and 4443421306.

It is not a weakly prime, because it can be changed into another prime (4443421237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221710668 + 2221710669.

It is an arithmetic number, because the mean of its divisors is an integer number (2221710669).

Almost surely, 2^4443421337 is an apocalyptic number.

It is an amenable number.

4443421337 is a deficient number, since it is larger than the sum of its proper divisors (1).

4443421337 is an equidigital number, since it uses as much as digits as its factorization.

4443421337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 35.

The square root of 4443421337 is about 66658.9929191853. The cubic root of 4443421337 is about 1644.0152132085.

The spelling of 4443421337 in words is "four billion, four hundred forty-three million, four hundred twenty-one thousand, three hundred thirty-seven".