6810965920 has 192 divisors, whose sum is σ = 18475091712. Its totient is φ = 2350080000.

The previous prime is 6810965831. The next prime is 6810965933. The reversal of 6810965920 is 295690186.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2668645 + ... + 2671195.

It is an arithmetic number, because the mean of its divisors is an integer number (96224436).

Almost surely, 2^6810965920 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 6810965920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9237545856).

6810965920 is an abundant number, since it is smaller than the sum of its proper divisors (11664125792).

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

6810965920 is a wasteful number, since it uses less digits than its factorization.

6810965920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655 (or 2647 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 6810965920 is about 82528.5763841834. The cubic root of 6810965920 is about 1895.5543262213.

The spelling of 6810965920 in words is "six billion, eight hundred ten million, nine hundred sixty-five thousand, nine hundred twenty".