8969736845 has 4 divisors (see below), whose sum is σ = 10763684220. Its totient is φ = 7175789472.

The previous prime is 8969736799. The next prime is 8969736851. The reversal of 8969736845 is 5486379698.

8969736845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5486379698 = 2 ⋅2743189849.

It can be written as a sum of positive squares in 2 ways, for example, as 2133423721 + 6836313124 = 46189^2 + 82682^2 .

It is a cyclic number.

It is not a de Polignac number, because 8969736845 - 2⁶ = 8969736781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896973680 + ... + 896973689.

It is an arithmetic number, because the mean of its divisors is an integer number (2690921055).

Almost surely, 2^8969736845 is an apocalyptic number.

It is an amenable number.

8969736845 is a deficient number, since it is larger than the sum of its proper divisors (1793947375).

8969736845 is a wasteful number, since it uses less digits than its factorization.

8969736845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793947374.

The product of its digits is 78382080, while the sum is 65.

The square root of 8969736845 is about 94708.6946642176. The cubic root of 8969736845 is about 2077.7497271583.

The spelling of 8969736845 in words is "eight billion, nine hundred sixty-nine million, seven hundred thirty-six thousand, eight hundred forty-five".