4221773009 has 2 divisors, whose sum is σ = 4221773010. Its totient is φ = 4221773008.

The previous prime is 4221772937. The next prime is 4221773029. The reversal of 4221773009 is 9003771224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2363904400 + 1857868609 = 48620^2 + 43103^2 .

It is a cyclic number.

It is not a de Polignac number, because 4221773009 - 2¹² = 4221768913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4221773009.

It is not a weakly prime, because it can be changed into another prime (4221773029) 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, 2110886504 + 2110886505.

It is an arithmetic number, because the mean of its divisors is an integer number (2110886505).

Almost surely, 2^4221773009 is an apocalyptic number.

It is an amenable number.

4221773009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221773009 is an equidigital number, since it uses as much as digits as its factorization.

4221773009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 4221773009 is about 64975.1722506374. The cubic root of 4221773009 is about 1616.2118735502.

The spelling of 4221773009 in words is "four billion, two hundred twenty-one million, seven hundred seventy-three thousand, nine".