9858145984 has 28 divisors (see below), whose sum is σ = 19596590728. Its totient is φ = 4920422400.

The previous prime is 9858145961. The next prime is 9858146003. The reversal of 9858145984 is 4895418589.

9858145984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98337 + ... + 171424.

Almost surely, 2^9858145984 is an apocalyptic number.

It is an amenable number.

9858145984 is a deficient number, since it is larger than the sum of its proper divisors (9738444744).

9858145984 is a wasteful number, since it uses less digits than its factorization.

9858145984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270344 (or 270334 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 61.

The square root of 9858145984 is about 99288.1965995959. The cubic root of 9858145984 is about 2144.1989633059.

The spelling of 9858145984 in words is "nine billion, eight hundred fifty-eight million, one hundred forty-five thousand, nine hundred eighty-four".