41818755361 has 2 divisors, whose sum is σ = 41818755362. Its totient is φ = 41818755360.

The previous prime is 41818755359. The next prime is 41818755367. The reversal of 41818755361 is 16355781814.

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., 41761374736 + 57380625 = 204356^2 + 7575^2 .

It is a cyclic number.

It is not a de Polignac number, because 41818755361 - 2¹ = 41818755359 is a prime.

Together with 41818755359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (41818755367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20909377680 + 20909377681.

It is an arithmetic number, because the mean of its divisors is an integer number (20909377681).

Almost surely, 2^41818755361 is an apocalyptic number.

It is an amenable number.

41818755361 is a deficient number, since it is larger than the sum of its proper divisors (1).

41818755361 is an equidigital number, since it uses as much as digits as its factorization.

41818755361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 49.

The spelling of 41818755361 in words is "forty-one billion, eight hundred eighteen million, seven hundred fifty-five thousand, three hundred sixty-one".