44673649 has 2 divisors, whose sum is σ = 44673650. Its totient is φ = 44673648.

The previous prime is 44673623. The next prime is 44673667. The reversal of 44673649 is 94637644.

44673649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28729600 + 15944049 = 5360^2 + 3993^2 .

It is a cyclic number.

It is not a de Polignac number, because 44673649 - 2¹³ = 44665457 is a prime.

It is not a weakly prime, because it can be changed into another prime (44674649) 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 as a sum of consecutive naturals, namely, 22336824 + 22336825.

It is an arithmetic number, because the mean of its divisors is an integer number (22336825).

Almost surely, 2^44673649 is an apocalyptic number.

It is an amenable number.

44673649 is a deficient number, since it is larger than the sum of its proper divisors (1).

44673649 is an equidigital number, since it uses as much as digits as its factorization.

44673649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 43.

The square root of 44673649 is about 6683.8349022100. The cubic root of 44673649 is about 354.8273947657.

The spelling of 44673649 in words is "forty-four million, six hundred seventy-three thousand, six hundred forty-nine".