8686021020281 has 16 divisors (see below), whose sum is σ = 9637706548800. Its totient is φ = 7761383448000.

The previous prime is 8686021020263. The next prime is 8686021020283. The reversal of 8686021020281 is 1820201206868.

It is not a de Polignac number, because 8686021020281 - 2¹⁸ = 8686020758137 is a prime.

It is a super-2 number, since 2×8686021020281² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8686021020283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3350315 + ... + 5347583.

It is an arithmetic number, because the mean of its divisors is an integer number (602356659300).

Almost surely, 2^{8686021020281} is an apocalyptic number.

It is an amenable number.

8686021020281 is a deficient number, since it is larger than the sum of its proper divisors (951685528519).

8686021020281 is a wasteful number, since it uses less digits than its factorization.

8686021020281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004040.

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 8686021020281 in words is "eight trillion, six hundred eighty-six billion, twenty-one million, twenty thousand, two hundred eighty-one".