6814809612 has 144 divisors (see below), whose sum is σ = 19302832640. Its totient is φ = 2089862208.

The previous prime is 6814809611. The next prime is 6814809613. The reversal of 6814809612 is 2169084186.

6814809612 is a `hidden beast` number, since 6 + 81 + 480 + 96 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (6814809611) and next prime (6814809613).

It is not an unprimeable number, because it can be changed into a prime (6814809611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4788333 + ... + 4789755.

Almost surely, 2^6814809612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6814809612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9651416320).

6814809612 is an abundant number, since it is smaller than the sum of its proper divisors (12488023028).

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

6814809612 is a wasteful number, since it uses less digits than its factorization.

6814809612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 6814809612 is about 82551.8601365227. The cubic root of 6814809612 is about 1895.9108374190.

The spelling of 6814809612 in words is "six billion, eight hundred fourteen million, eight hundred nine thousand, six hundred twelve".