9720459276128 has 24 divisors (see below), whose sum is σ = 19352178410040. Its totient is φ = 4805620314880.

The previous prime is 9720459276119. The next prime is 9720459276133. The reversal of 9720459276128 is 8216729540279.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706538458 + ... + 1706544153.

It is an arithmetic number, because the mean of its divisors is an integer number (806340767085).

Almost surely, 2^{9720459276128} is an apocalyptic number.

It is an amenable number.

9720459276128 is a deficient number, since it is larger than the sum of its proper divisors (9631719133912).

9720459276128 is a wasteful number, since it uses less digits than its factorization.

9720459276128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413082710 (or 3413082702 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 9720459276128 in words is "nine trillion, seven hundred twenty billion, four hundred fifty-nine million, two hundred seventy-six thousand, one hundred twenty-eight".