4444006321 has 2 divisors, whose sum is σ = 4444006322. Its totient is φ = 4444006320.

The previous prime is 4444006297. The next prime is 4444006337. The reversal of 4444006321 is 1236004444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3188296225 + 1255710096 = 56465^2 + 35436^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444006321 - 2¹¹ = 4444004273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4444006321.

It is not a weakly prime, because it can be changed into another prime (4444006621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222003160 + 2222003161.

It is an arithmetic number, because the mean of its divisors is an integer number (2222003161).

Almost surely, 2^4444006321 is an apocalyptic number.

It is an amenable number.

4444006321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444006321 is an equidigital number, since it uses as much as digits as its factorization.

4444006321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 4444006321 is about 66663.3806598495. The cubic root of 4444006321 is about 1644.0873558452.

The spelling of 4444006321 in words is "four billion, four hundred forty-four million, six thousand, three hundred twenty-one".