1089337589 has 4 divisors (see below), whose sum is σ = 1090418220. Its totient is φ = 1088256960.

The previous prime is 1089337549. The next prime is 1089337631. The reversal of 1089337589 is 9857339801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9857339801 = 29 ⋅339908269.

It can be written as a sum of positive squares in 2 ways, for example, as 837639364 + 251698225 = 28942^2 + 15865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1089337589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1089337589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089337549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538802 + ... + 540819.

It is an arithmetic number, because the mean of its divisors is an integer number (272604555).

Almost surely, 2^1089337589 is an apocalyptic number.

It is an amenable number.

1089337589 is a deficient number, since it is larger than the sum of its proper divisors (1080631).

1089337589 is a wasteful number, since it uses less digits than its factorization.

1089337589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080630.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 1089337589 is about 33005.1145884998. The cubic root of 1089337589 is about 1028.9339487019.

The spelling of 1089337589 in words is "one billion, eighty-nine million, three hundred thirty-seven thousand, five hundred eighty-nine".