4442024921 has 2 divisors, whose sum is σ = 4442024922. Its totient is φ = 4442024920.

The previous prime is 4442024903. The next prime is 4442024927. The reversal of 4442024921 is 1294202444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3581424025 + 860600896 = 59845^2 + 29336^2 .

It is a cyclic number.

It is not a de Polignac number, because 4442024921 - 2¹⁰ = 4442023897 is a prime.

It is not a weakly prime, because it can be changed into another prime (4442024927) 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, 2221012460 + 2221012461.

It is an arithmetic number, because the mean of its divisors is an integer number (2221012461).

Almost surely, 2^4442024921 is an apocalyptic number.

It is an amenable number.

4442024921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442024921 is an equidigital number, since it uses as much as digits as its factorization.

4442024921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 4442024921 is about 66648.5177704651. The cubic root of 4442024921 is about 1643.8429758336.

The spelling of 4442024921 in words is "four billion, four hundred forty-two million, twenty-four thousand, nine hundred twenty-one".