41644063 has 2 divisors, whose sum is σ = 41644064. Its totient is φ = 41644062.

The previous prime is 41644037. The next prime is 41644073. The reversal of 41644063 is 36044614.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41644063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41644073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20822031 + 20822032.

It is an arithmetic number, because the mean of its divisors is an integer number (20822032).

Almost surely, 2^41644063 is an apocalyptic number.

41644063 is a deficient number, since it is larger than the sum of its proper divisors (1).

41644063 is an equidigital number, since it uses as much as digits as its factorization.

41644063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 41644063 is about 6453.2211336665. The cubic root of 41644063 is about 346.6179358072.

Adding to 41644063 its reverse (36044614), we get a palindrome (77688677).

The spelling of 41644063 in words is "forty-one million, six hundred forty-four thousand, sixty-three".