9128742268 has 24 divisors (see below), whose sum is σ = 16411348800. Its totient is φ = 4439850048.

The previous prime is 9128742257. The next prime is 9128742277. The reversal of 9128742268 is 8622478219.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922893 + ... + 932731.

It is an arithmetic number, because the mean of its divisors is an integer number (683806200).

Almost surely, 2^9128742268 is an apocalyptic number.

It is an amenable number.

9128742268 is a deficient number, since it is larger than the sum of its proper divisors (7282606532).

9128742268 is a wasteful number, since it uses less digits than its factorization.

9128742268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16149 (or 16147 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 9128742268 is about 95544.4517907764. The cubic root of 9128742268 is about 2089.9552250353.

The spelling of 9128742268 in words is "nine billion, one hundred twenty-eight million, seven hundred forty-two thousand, two hundred sixty-eight".