8068564219 has 2 divisors, whose sum is σ = 8068564220. Its totient is φ = 8068564218.

The previous prime is 8068564201. The next prime is 8068564241. The reversal of 8068564219 is 9124658608.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8068564219 - 2²¹ = 8066467067 is a prime.

It is a super-2 number, since 2×8068564219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8068564249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4034282109 + 4034282110.

It is an arithmetic number, because the mean of its divisors is an integer number (4034282110).

Almost surely, 2^8068564219 is an apocalyptic number.

8068564219 is a deficient number, since it is larger than the sum of its proper divisors (1).

8068564219 is an equidigital number, since it uses as much as digits as its factorization.

8068564219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 8068564219 is about 89825.1869967438. The cubic root of 8068564219 is about 2005.6974390986.

The spelling of 8068564219 in words is "eight billion, sixty-eight million, five hundred sixty-four thousand, two hundred nineteen".