9894864959 has 8 divisors (see below), whose sum is σ = 11377795200. Its totient is φ = 8429279256.

The previous prime is 9894864913. The next prime is 9894864997. The reversal of 9894864959 is 9594684989.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9894864959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9894864892 and 9894864901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9894864359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4334909 + ... + 4337190.

It is an arithmetic number, because the mean of its divisors is an integer number (1422224400).

Almost surely, 2^9894864959 is an apocalyptic number.

9894864959 is a deficient number, since it is larger than the sum of its proper divisors (1482930241).

9894864959 is a wasteful number, since it uses less digits than its factorization.

9894864959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8672269.

The product of its digits is 201553920, while the sum is 71.

The square root of 9894864959 is about 99472.9358117071. The cubic root of 9894864959 is about 2146.8578553236.

The spelling of 9894864959 in words is "nine billion, eight hundred ninety-four million, eight hundred sixty-four thousand, nine hundred fifty-nine".