32441820209 has 2 divisors, whose sum is σ = 32441820210.
Its totient is φ = 32441820208.
The previous prime is 32441820197. The next prime is 32441820211. The reversal of 32441820209 is 90202814423.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27362122225 + 5079697984 = 165415^2 + 71272^2
It is a cyclic number.
It is not a de Polignac number, because 32441820209 - 24 = 32441820193 is a prime.
Together with 32441820211, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (32441820709) 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, 16220910104 + 16220910105.
It is an arithmetic number, because the mean of its divisors is an integer number (16220910105).
Almost surely, 232441820209 is an apocalyptic number.
It is an amenable number.
32441820209 is a deficient number, since it is larger than the sum of its proper divisors (1).
32441820209 is an equidigital number, since it uses as much as digits as its factorization.
32441820209 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 27648, while the sum is 35.
The spelling of 32441820209 in words is "thirty-two billion, four hundred forty-one million, eight hundred twenty thousand, two hundred nine".