8513864018 has 32 divisors (see below), whose sum is σ = 14135143680. Its totient is φ = 3813788160.

The previous prime is 8513863987. The next prime is 8513864081. The reversal of 8513864018 is 8104683158.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8513864018.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501680 + ... + 518372.

It is an arithmetic number, because the mean of its divisors is an integer number (441723240).

Almost surely, 2^8513864018 is an apocalyptic number.

8513864018 is a deficient number, since it is larger than the sum of its proper divisors (5621279662).

8513864018 is a wasteful number, since it uses less digits than its factorization.

8513864018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17042.

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 8513864018 is about 92270.6021330738. The cubic root of 8513864018 is about 2041.9365196139.

The spelling of 8513864018 in words is "eight billion, five hundred thirteen million, eight hundred sixty-four thousand, eighteen".