8644068338 has 16 divisors (see below), whose sum is σ = 13509720000. Its totient is φ = 4142973072.

The previous prime is 8644068317. The next prime is 8644068451. The reversal of 8644068338 is 8338604468.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528038 + ... + 544161.

It is an arithmetic number, because the mean of its divisors is an integer number (844357500).

Almost surely, 2^8644068338 is an apocalyptic number.

8644068338 is a deficient number, since it is larger than the sum of its proper divisors (4865651662).

8644068338 is a wasteful number, since it uses less digits than its factorization.

8644068338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072369.

The product of its (nonzero) digits is 2654208, while the sum is 50.

The square root of 8644068338 is about 92973.4819074773. The cubic root of 8644068338 is about 2052.2931577015.

The spelling of 8644068338 in words is "eight billion, six hundred forty-four million, sixty-eight thousand, three hundred thirty-eight".