8643070229 has 4 divisors (see below), whose sum is σ = 8665637376. Its totient is φ = 8620503084.

The previous prime is 8643070223. The next prime is 8643070237. The reversal of 8643070229 is 9220703468.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8643070229 - 2⁴ = 8643070213 is a prime.

It is a super-2 number, since 2×8643070229² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8643070223) 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 in 3 ways as a sum of consecutive naturals, for example, 11282999 + ... + 11283764.

It is an arithmetic number, because the mean of its divisors is an integer number (2166409344).

Almost surely, 2^8643070229 is an apocalyptic number.

It is an amenable number.

8643070229 is a deficient number, since it is larger than the sum of its proper divisors (22567147).

8643070229 is a wasteful number, since it uses less digits than its factorization.

8643070229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22567146.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 8643070229 is about 92968.1140445476. The cubic root of 8643070229 is about 2052.2141636045.

The spelling of 8643070229 in words is "eight billion, six hundred forty-three million, seventy thousand, two hundred twenty-nine".