9118733449 has 12 divisors (see below), whose sum is σ = 10614468864. Its totient is φ = 7810926984.

The previous prime is 9118733443. The next prime is 9118733501. The reversal of 9118733449 is 9443378119.

It is not a de Polignac number, because 9118733449 - 2¹⁹ = 9118209161 is a prime.

It is a super-2 number, since 2×9118733449² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9118733443) 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, 15304 + ... + 135910.

It is an arithmetic number, because the mean of its divisors is an integer number (884539072).

Almost surely, 2^9118733449 is an apocalyptic number.

It is an amenable number.

9118733449 is a deficient number, since it is larger than the sum of its proper divisors (1495735415).

9118733449 is a wasteful number, since it uses less digits than its factorization.

9118733449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122164 (or 122157 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 9118733449 is about 95492.0596123049. The cubic root of 9118733449 is about 2089.1911317102.

The spelling of 9118733449 in words is "nine billion, one hundred eighteen million, seven hundred thirty-three thousand, four hundred forty-nine".