9128990284 has 12 divisors (see below), whose sum is σ = 15977989384. Its totient is φ = 4563850464.

The previous prime is 9128990231. The next prime is 9128990309. The reversal of 9128990284 is 4820998219.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128577 + ... + 186520.

Almost surely, 2^9128990284 is an apocalyptic number.

It is an amenable number.

9128990284 is a deficient number, since it is larger than the sum of its proper divisors (6848999100).

9128990284 is a wasteful number, since it uses less digits than its factorization.

9128990284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322344 (or 322342 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 9128990284 is about 95545.7496909203. The cubic root of 9128990284 is about 2089.9741519815.

The spelling of 9128990284 in words is "nine billion, one hundred twenty-eight million, nine hundred ninety thousand, two hundred eighty-four".