6328088581 has 2 divisors, whose sum is σ = 6328088582. Its totient is φ = 6328088580.

The previous prime is 6328088513. The next prime is 6328088603. The reversal of 6328088581 is 1858808236.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6126192900 + 201895681 = 78270^2 + 14209^2 .

It is a cyclic number.

It is not a de Polignac number, because 6328088581 - 2²¹ = 6325991429 is a prime.

It is a super-2 number, since 2×6328088581² = 80089410177965187122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6328088881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3164044290 + 3164044291.

It is an arithmetic number, because the mean of its divisors is an integer number (3164044291).

Almost surely, 2^6328088581 is an apocalyptic number.

It is an amenable number.

6328088581 is a deficient number, since it is larger than the sum of its proper divisors (1).

6328088581 is an equidigital number, since it uses as much as digits as its factorization.

6328088581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 737280, while the sum is 49.

The square root of 6328088581 is about 79549.2839754073. The cubic root of 6328088581 is about 1849.6555074160.

The spelling of 6328088581 in words is "six billion, three hundred twenty-eight million, eighty-eight thousand, five hundred eighty-one".