1116847489 has 4 divisors (see below), whose sum is σ = 1127285424. Its totient is φ = 1106409556.

The previous prime is 1116847481. The next prime is 1116847517. The reversal of 1116847489 is 9847486111.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 9847486111 = 3491 ⋅2820821.

It is a cyclic number.

It is not a de Polignac number, because 1116847489 - 2³ = 1116847481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116847481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5218807 + ... + 5219020.

It is an arithmetic number, because the mean of its divisors is an integer number (281821356).

Almost surely, 2^1116847489 is an apocalyptic number.

It is an amenable number.

1116847489 is a deficient number, since it is larger than the sum of its proper divisors (10437935).

1116847489 is a wasteful number, since it uses less digits than its factorization.

1116847489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10437934.

The product of its digits is 387072, while the sum is 49.

The square root of 1116847489 is about 33419.2682295708. The cubic root of 1116847489 is about 1037.5235360026.

The spelling of 1116847489 in words is "one billion, one hundred sixteen million, eight hundred forty-seven thousand, four hundred eighty-nine".