6801328530 has 96 divisors (see below), whose sum is σ = 18787906800. Its totient is φ = 1703794176.

The previous prime is 6801328517. The next prime is 6801328543. The reversal of 6801328530 is 358231086.

It is an interprime number because it is at equal distance from previous prime (6801328517) and next prime (6801328543).

It can be written as a sum of positive squares in 8 ways, for example, as 4515436809 + 2285891721 = 67197^2 + 47811^2 .

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 47 ways as a sum of consecutive naturals, for example, 61356 + ... + 131784.

Almost surely, 2^6801328530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6801328530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9393953400).

6801328530 is an abundant number, since it is smaller than the sum of its proper divisors (11986578270).

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

6801328530 is a wasteful number, since it uses less digits than its factorization.

6801328530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70508 (or 70505 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6801328530 is about 82470.1675152900. The cubic root of 6801328530 is about 1894.6598461682.

The spelling of 6801328530 in words is "six billion, eight hundred one million, three hundred twenty-eight thousand, five hundred thirty".