9644614849 has 3 divisors (see below), whose sum is σ = 9644713057. Its totient is φ = 9644516642.

The previous prime is 9644614831. The next prime is 9644614853. The reversal of 9644614849 is 9484164469.

The square root of 9644614849 is 98207.

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

9644614849 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 is not a de Polignac number, because 9644614849 - 2¹¹ = 9644612801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9644614849.

It is not an unprimeable number, because it can be changed into a prime (9644614829) 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 in 2 ways as a sum of consecutive naturals, for example, 49104 + ... + 147310.

Almost surely, 2^9644614849 is an apocalyptic number.

9644614849 is the 98207-th square number.

9644614849 is the 49104-th centered octagonal number.

It is an amenable number.

9644614849 is a deficient number, since it is larger than the sum of its proper divisors (98208).

9644614849 is an frugal number, since it uses more digits than its factorization.

9644614849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196414 (or 98207 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 55.

The cubic root of 9644614849 is about 2128.6044366986.

The spelling of 9644614849 in words is "nine billion, six hundred forty-four million, six hundred fourteen thousand, eight hundred forty-nine".