9856712040682 has 16 divisors (see below), whose sum is σ = 15991911046440. Its totient is φ = 4529385980352.

The previous prime is 9856712040671. The next prime is 9856712040701. The reversal of 9856712040682 is 2860402176589.

It can be written as a sum of positive squares in 4 ways, for example, as 6883429129641 + 2973282911041 = 2623629^2 + 1724321^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827732713 + ... + 827744620.

Almost surely, 2^{9856712040682} is an apocalyptic number.

9856712040682 is a deficient number, since it is larger than the sum of its proper divisors (6135199005758).

9856712040682 is a wasteful number, since it uses less digits than its factorization.

9856712040682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655477577.

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 9856712040682 in words is "nine trillion, eight hundred fifty-six billion, seven hundred twelve million, forty thousand, six hundred eighty-two".