8489936065 has 32 divisors (see below), whose sum is σ = 11461927680. Its totient is φ = 5989944576.

The previous prime is 8489936033. The next prime is 8489936089. The reversal of 8489936065 is 5606399848.

It is a cyclic number.

It is not a de Polignac number, because 8489936065 - 2⁵ = 8489936033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1520619 + ... + 1526191.

It is an arithmetic number, because the mean of its divisors is an integer number (358185240).

Almost surely, 2^8489936065 is an apocalyptic number.

It is an amenable number.

8489936065 is a deficient number, since it is larger than the sum of its proper divisors (2971991615).

8489936065 is a wasteful number, since it uses less digits than its factorization.

8489936065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6633.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The square root of 8489936065 is about 92140.8490572992. The cubic root of 8489936065 is about 2040.0217914659.

The spelling of 8489936065 in words is "eight billion, four hundred eighty-nine million, nine hundred thirty-six thousand, sixty-five".