8064642289 has 4 divisors (see below), whose sum is σ = 8797791600. Its totient is φ = 7331492980.

The previous prime is 8064642263. The next prime is 8064642331. The reversal of 8064642289 is 9822464608.

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 8064642289 - 2¹⁹ = 8064118001 is a prime.

It is a super-3 number, since 3×8064642289³ (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8064642239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366574639 + ... + 366574660.

It is an arithmetic number, because the mean of its divisors is an integer number (2199447900).

Almost surely, 2^8064642289 is an apocalyptic number.

It is an amenable number.

8064642289 is a deficient number, since it is larger than the sum of its proper divisors (733149311).

8064642289 is a wasteful number, since it uses less digits than its factorization.

8064642289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733149310.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The square root of 8064642289 is about 89803.3534396127. The cubic root of 8064642289 is about 2005.3724130836.

The spelling of 8064642289 in words is "eight billion, sixty-four million, six hundred forty-two thousand, two hundred eighty-nine".