41845649 has 4 divisors (see below), whose sum is σ = 41859300. Its totient is φ = 41832000.

The previous prime is 41845603. The next prime is 41845663. The reversal of 41845649 is 94654814.

41845649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 26884225 + 14961424 = 5185^2 + 3868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41845649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41845669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149 + ... + 9149.

It is an arithmetic number, because the mean of its divisors is an integer number (10464825).

Almost surely, 2^41845649 is an apocalyptic number.

It is an amenable number.

41845649 is a deficient number, since it is larger than the sum of its proper divisors (13651).

41845649 is an equidigital number, since it uses as much as digits as its factorization.

41845649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13650.

The product of its digits is 138240, while the sum is 41.

The square root of 41845649 is about 6468.8212991240. The cubic root of 41845649 is about 347.1763257703.

The spelling of 41845649 in words is "forty-one million, eight hundred forty-five thousand, six hundred forty-nine".