9864042005 has 8 divisors (see below), whose sum is σ = 12533135832. Its totient is φ = 7427043328.

The previous prime is 9864041983. The next prime is 9864042011. The reversal of 9864042005 is 5002404689.

9864042005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4214866084 + 5649175921 = 64922^2 + 75161^2 .

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 9864042005 - 2⁸ = 9864041749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9864042005.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 58023692 + ... + 58023861.

It is an arithmetic number, because the mean of its divisors is an integer number (1566641979).

Almost surely, 2^9864042005 is an apocalyptic number.

It is an amenable number.

9864042005 is a deficient number, since it is larger than the sum of its proper divisors (2669093827).

9864042005 is a wasteful number, since it uses less digits than its factorization.

9864042005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116047575.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 9864042005 is about 99317.8836111604. The cubic root of 9864042005 is about 2144.6263500440.

The spelling of 9864042005 in words is "nine billion, eight hundred sixty-four million, forty-two thousand, five".