8489694065 has 4 divisors (see below), whose sum is σ = 10187632884. Its totient is φ = 6791755248.

The previous prime is 8489694061. The next prime is 8489694089. The reversal of 8489694065 is 5604969848.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1344542224 + 7145151841 = 36668^2 + 84529^2 .

It is a cyclic number.

It is not a de Polignac number, because 8489694065 - 2² = 8489694061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8489693995 and 8489694013.

It is not an unprimeable number, because it can be changed into a prime (8489694061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848969402 + ... + 848969411.

It is an arithmetic number, because the mean of its divisors is an integer number (2546908221).

Almost surely, 2^8489694065 is an apocalyptic number.

It is an amenable number.

8489694065 is a deficient number, since it is larger than the sum of its proper divisors (1697938819).

8489694065 is a wasteful number, since it uses less digits than its factorization.

8489694065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697938818.

The product of its (nonzero) digits is 14929920, while the sum is 59.

The square root of 8489694065 is about 92139.5358410275. The cubic root of 8489694065 is about 2040.0024081254.

The spelling of 8489694065 in words is "eight billion, four hundred eighty-nine million, six hundred ninety-four thousand, sixty-five".