6818654892 has 48 divisors (see below), whose sum is σ = 18326282240. Its totient is φ = 1932844032.

The previous prime is 6818654851. The next prime is 6818654897. The reversal of 6818654892 is 2984568186.

It is a happy number.

It is a super-3 number, since 3×6818654892³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6818654897) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 308917 + ... + 330252.

Almost surely, 2^6818654892 is an apocalyptic number.

It is an amenable number.

6818654892 is an abundant number, since it is smaller than the sum of its proper divisors (11507627348).

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

6818654892 is a wasteful number, since it uses less digits than its factorization.

6818654892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639310 (or 639308 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 57.

The square root of 6818654892 is about 82575.1469390155. The cubic root of 6818654892 is about 1896.2673617963.

The spelling of 6818654892 in words is "six billion, eight hundred eighteen million, six hundred fifty-four thousand, eight hundred ninety-two".