44809643 has 2 divisors, whose sum is σ = 44809644. Its totient is φ = 44809642.

The previous prime is 44809613. The next prime is 44809649. The reversal of 44809643 is 34690844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44809643 - 2¹⁸ = 44547499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44809597 and 44809606.

It is not a weakly prime, because it can be changed into another prime (44809649) 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, 22404821 + 22404822.

It is an arithmetic number, because the mean of its divisors is an integer number (22404822).

Almost surely, 2^44809643 is an apocalyptic number.

44809643 is a deficient number, since it is larger than the sum of its proper divisors (1).

44809643 is an equidigital number, since it uses as much as digits as its factorization.

44809643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 44809643 is about 6694.0005228563. Note that the first 3 decimals coincide. The cubic root of 44809643 is about 355.1870811853.

The spelling of 44809643 in words is "forty-four million, eight hundred nine thousand, six hundred forty-three".