6986983618 has 8 divisors (see below), whose sum is σ = 10482524748. Its totient is φ = 3492808704.

The previous prime is 6986983583. The next prime is 6986983621. The reversal of 6986983618 is 8163896896.

It can be written as a sum of positive squares in 2 ways, for example, as 6985114929 + 1868689 = 83577^2 + 1367^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 6986983618.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328671 + ... + 349282.

Almost surely, 2^6986983618 is an apocalyptic number.

6986983618 is a deficient number, since it is larger than the sum of its proper divisors (3495541130).

6986983618 is a wasteful number, since it uses less digits than its factorization.

6986983618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683108.

The product of its digits is 26873856, while the sum is 64.

The square root of 6986983618 is about 83588.1786977082. The cubic root of 6986983618 is about 1911.7447593275.

The spelling of 6986983618 in words is "six billion, nine hundred eighty-six million, nine hundred eighty-three thousand, six hundred eighteen".