8643295069 has 2 divisors, whose sum is σ = 8643295070. Its totient is φ = 8643295068.

The previous prime is 8643295049. The next prime is 8643295099. The reversal of 8643295069 is 9605923468.

8643295069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8489411044 + 153884025 = 92138^2 + 12405^2 .

It is a cyclic number.

It is not a de Polignac number, because 8643295069 - 2¹³ = 8643286877 is a prime.

It is a super-2 number, since 2×8643295069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8643295019) 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, 4321647534 + 4321647535.

It is an arithmetic number, because the mean of its divisors is an integer number (4321647535).

Almost surely, 2^8643295069 is an apocalyptic number.

It is an amenable number.

8643295069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8643295069 is an equidigital number, since it uses as much as digits as its factorization.

8643295069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The square root of 8643295069 is about 92969.3232684846. The cubic root of 8643295069 is about 2052.2319588177.

The spelling of 8643295069 in words is "eight billion, six hundred forty-three million, two hundred ninety-five thousand, sixty-nine".