9999324917970 has 64 divisors (see below), whose sum is σ = 26096807339136. Its totient is φ = 2441806525440.

The previous prime is 9999324917957. The next prime is 9999324918083. The reversal of 9999324917970 is 797194239999.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264934096 + ... + 264971835.

It is an arithmetic number, because the mean of its divisors is an integer number (407762614674).

Almost surely, 2^{9999324917970} is an apocalyptic number.

9999324917970 is an abundant number, since it is smaller than the sum of its proper divisors (16097482421166).

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

9999324917970 is a wasteful number, since it uses less digits than its factorization.

9999324917970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529905995.

The product of its (nonzero) digits is 624974616, while the sum is 78.

The spelling of 9999324917970 in words is "nine trillion, nine hundred ninety-nine billion, three hundred twenty-four million, nine hundred seventeen thousand, nine hundred seventy".