4444001329 has 2 divisors, whose sum is σ = 4444001330. Its totient is φ = 4444001328.

The previous prime is 4444001323. The next prime is 4444001347. The reversal of 4444001329 is 9231004444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3351831025 + 1092170304 = 57895^2 + 33048^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444001329 - 2¹⁹ = 4443477041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4444001329.

It is not a weakly prime, because it can be changed into another prime (4444001323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222000664 + 2222000665.

It is an arithmetic number, because the mean of its divisors is an integer number (2222000665).

Almost surely, 2^4444001329 is an apocalyptic number.

It is an amenable number.

4444001329 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444001329 is an equidigital number, since it uses as much as digits as its factorization.

4444001329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 4444001329 is about 66663.3432179935. The cubic root of 4444001329 is about 1644.0867402380.

The spelling of 4444001329 in words is "four billion, four hundred forty-four million, one thousand, three hundred twenty-nine".