9640004994 has 64 divisors (see below), whose sum is σ = 21707297280. Its totient is φ = 3170793600.

The previous prime is 9640004987. The next prime is 9640005041. The reversal of 9640004994 is 4994000469.

9640004994 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 31 ways as a sum of consecutive naturals, for example, 1704279 + ... + 1709925.

It is an arithmetic number, because the mean of its divisors is an integer number (339176520).

Almost surely, 2^9640004994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9640004994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10853648640).

9640004994 is an abundant number, since it is smaller than the sum of its proper divisors (12067292286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9640004994 is a wasteful number, since it uses less digits than its factorization.

9640004994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072 (or 6066 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 9640004994 is about 98183.5271010367. The cubic root of 9640004994 is about 2128.2652449406.

The spelling of 9640004994 in words is "nine billion, six hundred forty million, four thousand, nine hundred ninety-four".