8653208989 has 4 divisors (see below), whose sum is σ = 8762743360. Its totient is φ = 8543674620.

The previous prime is 8653208987. The next prime is 8653209001. The reversal of 8653208989 is 9898023568.

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 not a de Polignac number, because 8653208989 - 2¹ = 8653208987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8653208983) 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, 54767067 + ... + 54767224.

It is an arithmetic number, because the mean of its divisors is an integer number (2190685840).

Almost surely, 2^8653208989 is an apocalyptic number.

It is an amenable number.

8653208989 is a deficient number, since it is larger than the sum of its proper divisors (109534371).

8653208989 is a wasteful number, since it uses less digits than its factorization.

8653208989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109534370.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The square root of 8653208989 is about 93022.6262207212. The cubic root of 8653208989 is about 2053.0163004906.

The spelling of 8653208989 in words is "eight billion, six hundred fifty-three million, two hundred eight thousand, nine hundred eighty-nine".