41439649 has 2 divisors, whose sum is σ = 41439650. Its totient is φ = 41439648.

The previous prime is 41439641. The next prime is 41439677. The reversal of 41439649 is 94693414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36687249 + 4752400 = 6057^2 + 2180^2 .

It is a cyclic number.

It is not a de Polignac number, because 41439649 - 2³ = 41439641 is a prime.

It is not a weakly prime, because it can be changed into another prime (41439641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20719824 + 20719825.

It is an arithmetic number, because the mean of its divisors is an integer number (20719825).

Almost surely, 2^41439649 is an apocalyptic number.

It is an amenable number.

41439649 is a deficient number, since it is larger than the sum of its proper divisors (1).

41439649 is an equidigital number, since it uses as much as digits as its factorization.

41439649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 41439649 is about 6437.3635131162. The cubic root of 41439649 is about 346.0498691861.

The spelling of 41439649 in words is "forty-one million, four hundred thirty-nine thousand, six hundred forty-nine".