6893993986 has 16 divisors (see below), whose sum is σ = 11944674720. Its totient is φ = 2949302080.

The previous prime is 6893993971. The next prime is 6893993989.

6893993986 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (6893993989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9216196 + ... + 9216943.

It is an arithmetic number, because the mean of its divisors is an integer number (746542170).

Almost surely, 2^6893993986 is an apocalyptic number.

6893993986 is a deficient number, since it is larger than the sum of its proper divisors (5050680734).

6893993986 is a wasteful number, since it uses less digits than its factorization.

6893993986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18433169.

The product of its digits is 136048896, while the sum is 70.

The square root of 6893993986 is about 83030.0788028050. The cubic root of 6893993986 is about 1903.2257287237.

The spelling of 6893993986 in words is "six billion, eight hundred ninety-three million, nine hundred ninety-three thousand, nine hundred eighty-six".