8518689950 has 24 divisors (see below), whose sum is σ = 16355887680. Its totient is φ = 3297556800.

The previous prime is 8518689943. The next prime is 8518689983. The reversal of 8518689950 is 599868158.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8518689950.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2746415 + ... + 2749514.

It is an arithmetic number, because the mean of its divisors is an integer number (681495320).

Almost surely, 2^8518689950 is an apocalyptic number.

8518689950 is a deficient number, since it is larger than the sum of its proper divisors (7837197730).

8518689950 is a wasteful number, since it uses less digits than its factorization.

8518689950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5495972 (or 5495967 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 59.

The square root of 8518689950 is about 92296.7494010488. The cubic root of 8518689950 is about 2042.3222585082.

The spelling of 8518689950 in words is "eight billion, five hundred eighteen million, six hundred eighty-nine thousand, nine hundred fifty".