1118659389 has 8 divisors (see below), whose sum is σ = 1502433600. Its totient is φ = 740329056.

The previous prime is 1118659357. The next prime is 1118659391. The reversal of 1118659389 is 9839568111.

1118659389 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1118659389 - 2⁵ = 1118659357 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118659589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1360489 + ... + 1361310.

It is an arithmetic number, because the mean of its divisors is an integer number (187804200).

Almost surely, 2^1118659389 is an apocalyptic number.

It is an amenable number.

1118659389 is a deficient number, since it is larger than the sum of its proper divisors (383774211).

1118659389 is a wasteful number, since it uses less digits than its factorization.

1118659389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721939.

The product of its digits is 466560, while the sum is 51.

The square root of 1118659389 is about 33446.3658563976. The cubic root of 1118659389 is about 1038.0843028712.

The spelling of 1118659389 in words is "one billion, one hundred eighteen million, six hundred fifty-nine thousand, three hundred eighty-nine".