9849507985 has 8 divisors (see below), whose sum is σ = 11878804800. Its totient is φ = 7840009584.

The previous prime is 9849507977. The next prime is 9849508033. The reversal of 9849507985 is 5897059489.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9849507985 - 2³ = 9849507977 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4948507 + ... + 4950496.

It is an arithmetic number, because the mean of its divisors is an integer number (1484850600).

Almost surely, 2^9849507985 is an apocalyptic number.

It is an amenable number.

9849507985 is a deficient number, since it is larger than the sum of its proper divisors (2029296815).

9849507985 is a wasteful number, since it uses less digits than its factorization.

9849507985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9899207.

The product of its (nonzero) digits is 32659200, while the sum is 64.

The square root of 9849507985 is about 99244.6874396811. The cubic root of 9849507985 is about 2143.5725101206.

The spelling of 9849507985 in words is "nine billion, eight hundred forty-nine million, five hundred seven thousand, nine hundred eighty-five".