4444420073 has 2 divisors, whose sum is σ = 4444420074. Its totient is φ = 4444420072.

The previous prime is 4444420051. The next prime is 4444420153. The reversal of 4444420073 is 3700244444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4380851344 + 63568729 = 66188^2 + 7973^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444420073 - 2¹² = 4444415977 is a prime.

It is not a weakly prime, because it can be changed into another prime (4444420033) 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, 2222210036 + 2222210037.

It is an arithmetic number, because the mean of its divisors is an integer number (2222210037).

Almost surely, 2^4444420073 is an apocalyptic number.

It is an amenable number.

4444420073 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444420073 is an equidigital number, since it uses as much as digits as its factorization.

4444420073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 32.

The square root of 4444420073 is about 66666.4838805828. The cubic root of 4444420073 is about 1644.1383776240.

The spelling of 4444420073 in words is "four billion, four hundred forty-four million, four hundred twenty thousand, seventy-three".