41646443 has 2 divisors, whose sum is σ = 41646444. Its totient is φ = 41646442.

The previous prime is 41646439. The next prime is 41646457. The reversal of 41646443 is 34464614.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41646443 - 2² = 41646439 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (41646343) 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, 20823221 + 20823222.

It is an arithmetic number, because the mean of its divisors is an integer number (20823222).

Almost surely, 2^41646443 is an apocalyptic number.

41646443 is a deficient number, since it is larger than the sum of its proper divisors (1).

41646443 is an equidigital number, since it uses as much as digits as its factorization.

41646443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 32.

The square root of 41646443 is about 6453.4055350644. The cubic root of 41646443 is about 346.6245388691.

The spelling of 41646443 in words is "forty-one million, six hundred forty-six thousand, four hundred forty-three".