8634650018 has 16 divisors (see below), whose sum is σ = 13523682240. Its totient is φ = 4126994256.

The previous prime is 8634649963. The next prime is 8634650039. The reversal of 8634650018 is 8100564368.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14693 + ... + 132231.

It is an arithmetic number, because the mean of its divisors is an integer number (845230140).

Almost surely, 2^8634650018 is an apocalyptic number.

8634650018 is a deficient number, since it is larger than the sum of its proper divisors (4889032222).

8634650018 is a wasteful number, since it uses less digits than its factorization.

8634650018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119161.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 8634650018 is about 92922.8175315407. The cubic root of 8634650018 is about 2051.5475142789.

The spelling of 8634650018 in words is "eight billion, six hundred thirty-four million, six hundred fifty thousand, eighteen".