44444789 has 2 divisors, whose sum is σ = 44444790. Its totient is φ = 44444788.

The previous prime is 44444767. The next prime is 44444837. The reversal of 44444789 is 98744444.

44444789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41705764 + 2739025 = 6458^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 44444789 - 2¹⁶ = 44379253 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44444489) 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, 22222394 + 22222395.

It is an arithmetic number, because the mean of its divisors is an integer number (22222395).

Almost surely, 2^44444789 is an apocalyptic number.

It is an amenable number.

44444789 is a deficient number, since it is larger than the sum of its proper divisors (1).

44444789 is an equidigital number, since it uses as much as digits as its factorization.

44444789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 44.

The square root of 44444789 is about 6666.6925082832. The cubic root of 44444789 is about 354.2204384208.

The spelling of 44444789 in words is "forty-four million, four hundred forty-four thousand, seven hundred eighty-nine".