44448689 has 2 divisors, whose sum is σ = 44448690. Its totient is φ = 44448688.

The previous prime is 44448683. The next prime is 44448707. The reversal of 44448689 is 98684444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40857664 + 3591025 = 6392^2 + 1895^2 .

It is a cyclic number.

It is not a de Polignac number, because 44448689 - 2¹² = 44444593 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (44448683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22224344 + 22224345.

It is an arithmetic number, because the mean of its divisors is an integer number (22224345).

Almost surely, 2^44448689 is an apocalyptic number.

It is an amenable number.

44448689 is a deficient number, since it is larger than the sum of its proper divisors (1).

44448689 is an equidigital number, since it uses as much as digits as its factorization.

44448689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 884736, while the sum is 47.

The square root of 44448689 is about 6666.9850007331. The cubic root of 44448689 is about 354.2307989853.

The spelling of 44448689 in words is "forty-four million, four hundred forty-eight thousand, six hundred eighty-nine".