1113384289 has 4 divisors (see below), whose sum is σ = 1113451056. Its totient is φ = 1113317524.

The previous prime is 1113384263. The next prime is 1113384317. The reversal of 1113384289 is 9824833111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9824833111 = 23 ⋅427166657.

It is a cyclic number.

It is not a de Polignac number, because 1113384289 - 2⁵ = 1113384257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113384089) 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, 15162 + ... + 49564.

It is an arithmetic number, because the mean of its divisors is an integer number (278362764).

Almost surely, 2^1113384289 is an apocalyptic number.

It is an amenable number.

1113384289 is a deficient number, since it is larger than the sum of its proper divisors (66767).

1113384289 is an equidigital number, since it uses as much as digits as its factorization.

1113384289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66766.

The product of its digits is 41472, while the sum is 40.

The square root of 1113384289 is about 33367.4135797188. The cubic root of 1113384289 is about 1036.4500167372.

The spelling of 1113384289 in words is "one billion, one hundred thirteen million, three hundred eighty-four thousand, two hundred eighty-nine".