21441332041289 has 2 divisors, whose sum is σ = 21441332041290. Its totient is φ = 21441332041288.

The previous prime is 21441332041277. The next prime is 21441332041343. The reversal of 21441332041289 is 98214023314412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11200180008889 + 10241152032400 = 3346667^2 + 3200180^2 .

It is a cyclic number.

It is not a de Polignac number, because 21441332041289 - 2²⁴ = 21441315264073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (21441332041219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10720666020644 + 10720666020645.

It is an arithmetic number, because the mean of its divisors is an integer number (10720666020645).

Almost surely, 2^{21441332041289} is an apocalyptic number.

It is an amenable number.

21441332041289 is a deficient number, since it is larger than the sum of its proper divisors (1).

21441332041289 is an equidigital number, since it uses as much as digits as its factorization.

21441332041289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 21441332041289 in words is "twenty-one trillion, four hundred forty-one billion, three hundred thirty-two million, forty-one thousand, two hundred eighty-nine".