6894994986 has 24 divisors (see below), whose sum is σ = 16297261344. Its totient is φ = 2089392360.

The previous prime is 6894994979. The next prime is 6894995011.

It is a happy number.

6894994986 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17411406 + ... + 17411801.

It is an arithmetic number, because the mean of its divisors is an integer number (679052556).

Almost surely, 2^6894994986 is an apocalyptic number.

6894994986 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6894994986 is an abundant number, since it is smaller than the sum of its proper divisors (9402266358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6894994986 is a wasteful number, since it uses less digits than its factorization.

6894994986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34823226 (or 34823223 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The square root of 6894994986 is about 83036.1065199953. The cubic root of 6894994986 is about 1903.3178396616.

The spelling of 6894994986 in words is "six billion, eight hundred ninety-four million, nine hundred ninety-four thousand, nine hundred eighty-six".