6921083892 has 12 divisors (see below), whose sum is σ = 16149195776. Its totient is φ = 2307027960.

The previous prime is 6921083891. The next prime is 6921083921. The reversal of 6921083892 is 2983801296.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6921083891) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 288378484 + ... + 288378507.

Almost surely, 2^6921083892 is an apocalyptic number.

It is an amenable number.

6921083892 is an abundant number, since it is smaller than the sum of its proper divisors (9228111884).

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

6921083892 is a wasteful number, since it uses less digits than its factorization.

6921083892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576756998 (or 576756996 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 6921083892 is about 83193.0519454600. The cubic root of 6921083892 is about 1905.7153750587.

The spelling of 6921083892 in words is "six billion, nine hundred twenty-one million, eighty-three thousand, eight hundred ninety-two".