6921674496 has 216 divisors, whose sum is σ = 22186238256. Its totient is φ = 2057502720.

The previous prime is 6921674437. The next prime is 6921674519. The reversal of 6921674496 is 6944761296.

It is a happy number.

6921674496 is a `hidden beast` number, since 6 + 92 + 1 + 67 + 4 + 496 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1340656 + ... + 1345808.

It is an arithmetic number, because the mean of its divisors is an integer number (102714066).

Almost surely, 2^6921674496 is an apocalyptic number.

6921674496 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6921674496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11093119128).

6921674496 is an abundant number, since it is smaller than the sum of its proper divisors (15264563760).

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

6921674496 is a wasteful number, since it uses less digits than its factorization.

6921674496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5239 (or 5222 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 6921674496 is about 83196.6014690504. The cubic root of 6921674496 is about 1905.7695809763.

The spelling of 6921674496 in words is "six billion, nine hundred twenty-one million, six hundred seventy-four thousand, four hundred ninety-six".