6821108094 has 16 divisors (see below), whose sum is σ = 13782858768. Its totient is φ = 2250262272.

The previous prime is 6821108087. The next prime is 6821108113. The reversal of 6821108094 is 4908011286.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5859477 + ... + 5860640.

It is an arithmetic number, because the mean of its divisors is an integer number (861428673).

Almost surely, 2^6821108094 is an apocalyptic number.

6821108094 is an abundant number, since it is smaller than the sum of its proper divisors (6961750674).

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

6821108094 is a wasteful number, since it uses less digits than its factorization.

6821108094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11720219.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 6821108094 is about 82589.9999636760. Note that the first 4 decimals coincide. The cubic root of 6821108094 is about 1896.4947462870.

The spelling of 6821108094 in words is "six billion, eight hundred twenty-one million, one hundred eight thousand, ninety-four".