44489789 has 2 divisors, whose sum is σ = 44489790. Its totient is φ = 44489788.

The previous prime is 44489779. The next prime is 44489933. The reversal of 44489789 is 98798444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44222500 + 267289 = 6650^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 44489789 - 2²⁰ = 43441213 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44489789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44489759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22244894 + 22244895.

It is an arithmetic number, because the mean of its divisors is an integer number (22244895).

Almost surely, 2^44489789 is an apocalyptic number.

It is an amenable number.

44489789 is a deficient number, since it is larger than the sum of its proper divisors (1).

44489789 is an equidigital number, since it uses as much as digits as its factorization.

44489789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 53.

The square root of 44489789 is about 6670.0666413462. The cubic root of 44489789 is about 354.3399465673.

The spelling of 44489789 in words is "forty-four million, four hundred eighty-nine thousand, seven hundred eighty-nine".