1489339989 has 12 divisors (see below), whose sum is σ = 2155656672. Its totient is φ = 990868200.

The previous prime is 1489339939. The next prime is 1489339993. The reversal of 1489339989 is 9899339841.

It is a happy number.

It is not a de Polignac number, because 1489339989 - 2¹³ = 1489331797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489339919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164097 + ... + 172934.

It is an arithmetic number, because the mean of its divisors is an integer number (179638056).

Almost surely, 2^1489339989 is an apocalyptic number.

It is an amenable number.

1489339989 is a deficient number, since it is larger than the sum of its proper divisors (666316683).

1489339989 is a wasteful number, since it uses less digits than its factorization.

1489339989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337528 (or 337525 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 63.

The square root of 1489339989 is about 38591.9679337553. The cubic root of 1489339989 is about 1141.9960896911.

The spelling of 1489339989 in words is "one billion, four hundred eighty-nine million, three hundred thirty-nine thousand, nine hundred eighty-nine".