8571064321 has 2 divisors, whose sum is σ = 8571064322. Its totient is φ = 8571064320.

The previous prime is 8571064303. The next prime is 8571064349. The reversal of 8571064321 is 1234601758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8571056400 + 7921 = 92580^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 8571064321 - 2¹⁷ = 8570933249 is a prime.

It is not a weakly prime, because it can be changed into another prime (8571064421) by changing a digit.

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 as a sum of consecutive naturals, namely, 4285532160 + 4285532161.

It is an arithmetic number, because the mean of its divisors is an integer number (4285532161).

Almost surely, 2^8571064321 is an apocalyptic number.

It is an amenable number.

8571064321 is a deficient number, since it is larger than the sum of its proper divisors (1).

8571064321 is an equidigital number, since it uses as much as digits as its factorization.

8571064321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 8571064321 is about 92580.0427792081. The cubic root of 8571064321 is about 2046.4992261022.

The spelling of 8571064321 in words is "eight billion, five hundred seventy-one million, sixty-four thousand, three hundred twenty-one".