8571064349 has 2 divisors, whose sum is σ = 8571064350. Its totient is φ = 8571064348.

The previous prime is 8571064321. The next prime is 8571064363. The reversal of 8571064349 is 9434601758.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7006861849 + 1564202500 = 83707^2 + 39550^2 .

It is a cyclic number.

It is not a de Polignac number, because 8571064349 - 2⁸ = 8571064093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8571064399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4285532174 + 4285532175.

It is an arithmetic number, because the mean of its divisors is an integer number (4285532175).

Almost surely, 2^8571064349 is an apocalyptic number.

It is an amenable number.

8571064349 is a deficient number, since it is larger than the sum of its proper divisors (1).

8571064349 is an equidigital number, since it uses as much as digits as its factorization.

8571064349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 8571064349 is about 92580.0429304286. The cubic root of 8571064349 is about 2046.4992283307.

The spelling of 8571064349 in words is "eight billion, five hundred seventy-one million, sixty-four thousand, three hundred forty-nine".