8654985109 has 4 divisors (see below), whose sum is σ = 8657342604. Its totient is φ = 8652627616.

The previous prime is 8654985037. The next prime is 8654985121. The reversal of 8654985109 is 9015894568.

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 5779344484 + 2875640625 = 76022^2 + 53625^2 .

It is a cyclic number.

It is not a de Polignac number, because 8654985109 - 2¹³ = 8654976917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8654985109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8654985709) 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, 1173232 + ... + 1180585.

It is an arithmetic number, because the mean of its divisors is an integer number (2164335651).

Almost surely, 2^8654985109 is an apocalyptic number.

It is an amenable number.

8654985109 is a deficient number, since it is larger than the sum of its proper divisors (2357495).

8654985109 is a wasteful number, since it uses less digits than its factorization.

8654985109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357494.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The square root of 8654985109 is about 93032.1724405058. The cubic root of 8654985109 is about 2053.1567552769.

The spelling of 8654985109 in words is "eight billion, six hundred fifty-four million, nine hundred eighty-five thousand, one hundred nine".