8213159347 has 2 divisors, whose sum is σ = 8213159348. Its totient is φ = 8213159346.

The previous prime is 8213159329. The next prime is 8213159359. The reversal of 8213159347 is 7439513128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8213159347 - 2¹¹ = 8213157299 is a prime.

It is not a weakly prime, because it can be changed into another prime (8213159387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4106579673 + 4106579674.

It is an arithmetic number, because the mean of its divisors is an integer number (4106579674).

Almost surely, 2^8213159347 is an apocalyptic number.

8213159347 is a deficient number, since it is larger than the sum of its proper divisors (1).

8213159347 is an equidigital number, since it uses as much as digits as its factorization.

8213159347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 8213159347 is about 90626.4825920106. The cubic root of 8213159347 is about 2017.6078065711.

The spelling of 8213159347 in words is "eight billion, two hundred thirteen million, one hundred fifty-nine thousand, three hundred forty-seven".