841810843441 has 2 divisors, whose sum is σ = 841810843442. Its totient is φ = 841810843440.

The previous prime is 841810843439. The next prime is 841810843457. The reversal of 841810843441 is 144348018148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 702711681841 + 139099161600 = 838279^2 + 372960^2 .

It is a cyclic number.

It is not a de Polignac number, because 841810843441 - 2¹ = 841810843439 is a prime.

It is a super-2 number, since 2×841810843441² (a number of 25 digits) contains 22 as substring.

Together with 841810843439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 841810843391 and 841810843400.

It is not a weakly prime, because it can be changed into another prime (841810843411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420905421720 + 420905421721.

It is an arithmetic number, because the mean of its divisors is an integer number (420905421721).

Almost surely, 2^841810843441 is an apocalyptic number.

It is an amenable number.

841810843441 is a deficient number, since it is larger than the sum of its proper divisors (1).

841810843441 is an equidigital number, since it uses as much as digits as its factorization.

841810843441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393216, while the sum is 46.

The spelling of 841810843441 in words is "eight hundred forty-one billion, eight hundred ten million, eight hundred forty-three thousand, four hundred forty-one".