1489882789 has 2 divisors, whose sum is σ = 1489882790. Its totient is φ = 1489882788.

The previous prime is 1489882783. The next prime is 1489882831. The reversal of 1489882789 is 9872889841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1433001025 + 56881764 = 37855^2 + 7542^2 .

It is an emirp because it is prime and its reverse (9872889841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1489882789 - 2¹¹ = 1489880741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1489882789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1489882783) 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, 744941394 + 744941395.

It is an arithmetic number, because the mean of its divisors is an integer number (744941395).

Almost surely, 2^1489882789 is an apocalyptic number.

It is an amenable number.

1489882789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489882789 is an equidigital number, since it uses as much as digits as its factorization.

1489882789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18579456, while the sum is 64.

The square root of 1489882789 is about 38598.9998445556. Note that the first 3 decimals coincide. The cubic root of 1489882789 is about 1142.1348088981.

The spelling of 1489882789 in words is "one billion, four hundred eighty-nine million, eight hundred eighty-two thousand, seven hundred eighty-nine".