8204605089 has 4 divisors (see below), whose sum is σ = 10939473456. Its totient is φ = 5469736724.

The previous prime is 8204605043. The next prime is 8204605109. The reversal of 8204605089 is 9805064028.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8204605089 - 2¹² = 8204600993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8204605089.

It is not an unprimeable number, because it can be changed into a prime (8204605039) 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, 1367434179 + ... + 1367434184.

It is an arithmetic number, because the mean of its divisors is an integer number (2734868364).

Almost surely, 2^8204605089 is an apocalyptic number.

It is an amenable number.

8204605089 is a deficient number, since it is larger than the sum of its proper divisors (2734868367).

8204605089 is a wasteful number, since it uses less digits than its factorization.

8204605089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734868366.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 8204605089 is about 90579.2751626993. The cubic root of 8204605089 is about 2016.9070963882.

The spelling of 8204605089 in words is "eight billion, two hundred four million, six hundred five thousand, eighty-nine".