8489074866681 has 16 divisors (see below), whose sum is σ = 11511356472000. Its totient is φ = 5563100694528.

The previous prime is 8489074866673. The next prime is 8489074866707. The reversal of 8489074866681 is 1866684709848.

It is not a de Polignac number, because 8489074866681 - 2³ = 8489074866673 is a prime.

It is a super-2 number, since 2×8489074866681² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8489034866681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195545 + ... + 4290393.

It is an arithmetic number, because the mean of its divisors is an integer number (719459779500).

Almost surely, 2^{8489074866681} is an apocalyptic number.

It is an amenable number.

8489074866681 is a deficient number, since it is larger than the sum of its proper divisors (3022281605319).

8489074866681 is a wasteful number, since it uses less digits than its factorization.

8489074866681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110408.

The product of its (nonzero) digits is 891813888, while the sum is 75.

The spelling of 8489074866681 in words is "eight trillion, four hundred eighty-nine billion, seventy-four million, eight hundred sixty-six thousand, six hundred eighty-one".