9644335214089 has 3 divisors (see below), whose sum is σ = 9644338319623. Its totient is φ = 9644332108556.

The previous prime is 9644335214077. The next prime is 9644335214131. The reversal of 9644335214089 is 9804125334469.

The square root of 9644335214089 is 3105533.

It is a perfect power (a square), and thus also a powerful number.

9644335214089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1109219708025 + 8535115506064 = 1053195^2 + 2921492^2 .

It is not a de Polignac number, because 9644335214089 - 2¹⁷ = 9644335083017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9644335214039) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1552767 + ... + 4658299.

Almost surely, 2^{9644335214089} is an apocalyptic number.

9644335214089 is the 3105533-rd square number.

9644335214089 is the 1552767-th centered octagonal number.

It is an amenable number.

9644335214089 is a deficient number, since it is larger than the sum of its proper divisors (3105534).

9644335214089 is an frugal number, since it uses more digits than its factorization.

9644335214089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211066 (or 3105533 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 58.

The spelling of 9644335214089 in words is "nine trillion, six hundred forty-four billion, three hundred thirty-five million, two hundred fourteen thousand, eighty-nine".