9490644947 has 8 divisors (see below), whose sum is σ = 11196337152. Its totient is φ = 7872424200.

The previous prime is 9490644937. The next prime is 9490644949. The reversal of 9490644947 is 7494460949.

It is a happy number.

9490644947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9490644947 - 2¹² = 9490640851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9490644892 and 9490644901.

It is not an unprimeable number, because it can be changed into a prime (9490644949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21867629 + ... + 21868062.

It is an arithmetic number, because the mean of its divisors is an integer number (1399542144).

Almost surely, 2^9490644947 is an apocalyptic number.

9490644947 is a deficient number, since it is larger than the sum of its proper divisors (1705692205).

9490644947 is a wasteful number, since it uses less digits than its factorization.

9490644947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43735729.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The square root of 9490644947 is about 97419.9412184179. The cubic root of 9490644947 is about 2117.2163646099.

The spelling of 9490644947 in words is "nine billion, four hundred ninety million, six hundred forty-four thousand, nine hundred forty-seven".