544022489 has 2 divisors, whose sum is σ = 544022490. Its totient is φ = 544022488.

The previous prime is 544022467. The next prime is 544022527. The reversal of 544022489 is 984220445.

It is a happy number.

It is an a-pointer prime, because the next prime (544022527) can be obtained adding 544022489 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407716864 + 136305625 = 20192^2 + 11675^2 .

It is a cyclic number.

It is not a de Polignac number, because 544022489 - 2¹⁶ = 543956953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (544022429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272011244 + 272011245.

It is an arithmetic number, because the mean of its divisors is an integer number (272011245).

Almost surely, 2^544022489 is an apocalyptic number.

It is an amenable number.

544022489 is a deficient number, since it is larger than the sum of its proper divisors (1).

544022489 is an equidigital number, since it uses as much as digits as its factorization.

544022489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 544022489 is about 23324.2896783589. The cubic root of 544022489 is about 816.3422692899.

The spelling of 544022489 in words is "five hundred forty-four million, twenty-two thousand, four hundred eighty-nine".