4021442301209 has 2 divisors, whose sum is σ = 4021442301210. Its totient is φ = 4021442301208.

The previous prime is 4021442301193. The next prime is 4021442301241. The reversal of 4021442301209 is 9021032441204.

It is an a-pointer prime, because the next prime (4021442301241) can be obtained adding 4021442301209 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2193005574400 + 1828436726809 = 1480880^2 + 1352197^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021442301209 - 2⁴ = 4021442301193 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021442301809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010721150604 + 2010721150605.

It is an arithmetic number, because the mean of its divisors is an integer number (2010721150605).

Almost surely, 2^{4021442301209} is an apocalyptic number.

It is an amenable number.

4021442301209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021442301209 is an equidigital number, since it uses as much as digits as its factorization.

4021442301209 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 32.

The spelling of 4021442301209 in words is "four trillion, twenty-one billion, four hundred forty-two million, three hundred one thousand, two hundred nine".