8618544853 has 2 divisors, whose sum is σ = 8618544854. Its totient is φ = 8618544852.

The previous prime is 8618544821. The next prime is 8618544899. The reversal of 8618544853 is 3584458168.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4439956689 + 4178588164 = 66633^2 + 64642^2 .

It is a cyclic number.

It is not a de Polignac number, because 8618544853 - 2⁵ = 8618544821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8618544853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8618524853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4309272426 + 4309272427.

It is an arithmetic number, because the mean of its divisors is an integer number (4309272427).

Almost surely, 2^8618544853 is an apocalyptic number.

It is an amenable number.

8618544853 is a deficient number, since it is larger than the sum of its proper divisors (1).

8618544853 is an equidigital number, since it uses as much as digits as its factorization.

8618544853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3686400, while the sum is 52.

The square root of 8618544853 is about 92836.1182568509. The cubic root of 8618544853 is about 2050.2712195587.

The spelling of 8618544853 in words is "eight billion, six hundred eighteen million, five hundred forty-four thousand, eight hundred fifty-three".