4434562021 has 2 divisors, whose sum is σ = 4434562022. Its totient is φ = 4434562020.

The previous prime is 4434562003. The next prime is 4434562037. The reversal of 4434562021 is 1202654344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2319481921 + 2115080100 = 48161^2 + 45990^2 .

It is a cyclic number.

It is not a de Polignac number, because 4434562021 - 2⁷ = 4434561893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4434562061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2217281010 + 2217281011.

It is an arithmetic number, because the mean of its divisors is an integer number (2217281011).

Almost surely, 2^4434562021 is an apocalyptic number.

It is an amenable number.

4434562021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4434562021 is an equidigital number, since it uses as much as digits as its factorization.

4434562021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 4434562021 is about 66592.5072436832. The cubic root of 4434562021 is about 1642.9218709587.

The spelling of 4434562021 in words is "four billion, four hundred thirty-four million, five hundred sixty-two thousand, twenty-one".