9720140966946 has 32 divisors (see below), whose sum is σ = 21765201163200. Its totient is φ = 3215313803520.

The previous prime is 9720140966929. The next prime is 9720140966951. The reversal of 9720140966946 is 6496690410279.

It is a super-2 number, since 2×9720140966946² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 687025791 + ... + 687039938.

It is an arithmetic number, because the mean of its divisors is an integer number (680162536350).

Almost surely, 2^{9720140966946} is an apocalyptic number.

9720140966946 is an abundant number, since it is smaller than the sum of its proper divisors (12045060196254).

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

9720140966946 is a wasteful number, since it uses less digits than its factorization.

9720140966946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374065871 (or 1374065865 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 63.

The spelling of 9720140966946 in words is "nine trillion, seven hundred twenty billion, one hundred forty million, nine hundred sixty-six thousand, nine hundred forty-six".