6985898518 has 8 divisors (see below), whose sum is σ = 10676562048. Its totient is φ = 3427044504.

The previous prime is 6985898419. The next prime is 6985898531. The reversal of 6985898518 is 8158985896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 32952246 + ... + 32952457.

It is an arithmetic number, because the mean of its divisors is an integer number (1334570256).

Almost surely, 2^6985898518 is an apocalyptic number.

6985898518 is a deficient number, since it is larger than the sum of its proper divisors (3690663530).

6985898518 is a wasteful number, since it uses less digits than its factorization.

6985898518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65904758.

The product of its digits is 49766400, while the sum is 67.

The square root of 6985898518 is about 83581.6876953319. The cubic root of 6985898518 is about 1911.6457875943.

The spelling of 6985898518 in words is "six billion, nine hundred eighty-five million, eight hundred ninety-eight thousand, five hundred eighteen".