9720682311 has 8 divisors (see below), whose sum is σ = 12981132144. Its totient is φ = 6470343680.

The previous prime is 9720682277. The next prime is 9720682313. The reversal of 9720682311 is 1132860279.

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

It is a cyclic number.

It is not a de Polignac number, because 9720682311 - 2¹⁸ = 9720420167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9720682311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9720682313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525556 + ... + 2529401.

It is an arithmetic number, because the mean of its divisors is an integer number (1622641518).

Almost surely, 2^9720682311 is an apocalyptic number.

9720682311 is a deficient number, since it is larger than the sum of its proper divisors (3260449833).

9720682311 is a wasteful number, since it uses less digits than its factorization.

9720682311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055601.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 9720682311 is about 98593.5206339646. The cubic root of 9720682311 is about 2134.1859178924.

The spelling of 9720682311 in words is "nine billion, seven hundred twenty million, six hundred eighty-two thousand, three hundred eleven".