44244628789 has 2 divisors, whose sum is σ = 44244628790. Its totient is φ = 44244628788.

The previous prime is 44244628777. The next prime is 44244628843. The reversal of 44244628789 is 98782644244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43454737764 + 789891025 = 208458^2 + 28105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44244628789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44244628709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22122314394 + 22122314395.

It is an arithmetic number, because the mean of its divisors is an integer number (22122314395).

Almost surely, 2^44244628789 is an apocalyptic number.

It is an amenable number.

44244628789 is a deficient number, since it is larger than the sum of its proper divisors (1).

44244628789 is an equidigital number, since it uses as much as digits as its factorization.

44244628789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24772608, while the sum is 58.

The spelling of 44244628789 in words is "forty-four billion, two hundred forty-four million, six hundred twenty-eight thousand, seven hundred eighty-nine".