8809573653 has 12 divisors (see below), whose sum is σ = 12775639968. Its totient is φ = 5849649000.

The previous prime is 8809573637. The next prime is 8809573697. The reversal of 8809573653 is 3563759088.

It is a happy number.

8809573653 is a `hidden beast` number, since 8 + 8 + 0 + 9 + 573 + 65 + 3 = 666.

It is not a de Polignac number, because 8809573653 - 2⁴ = 8809573637 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8809573653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8809533653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1947625 + ... + 1952142.

It is an arithmetic number, because the mean of its divisors is an integer number (1064636664).

Almost surely, 2^8809573653 is an apocalyptic number.

It is an amenable number.

8809573653 is a deficient number, since it is larger than the sum of its proper divisors (3966066315).

8809573653 is a wasteful number, since it uses less digits than its factorization.

8809573653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900024 (or 3900021 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The square root of 8809573653 is about 93859.3290674933. The cubic root of 8809573653 is about 2065.3086483328.

The spelling of 8809573653 in words is "eight billion, eight hundred nine million, five hundred seventy-three thousand, six hundred fifty-three".