9447534945 has 48 divisors (see below), whose sum is σ = 16793187840. Its totient is φ = 4910750208.

The previous prime is 9447534913. The next prime is 9447534973. The reversal of 9447534945 is 5494357449.

9447534945 is a `hidden beast` number, since 94 + 475 + 3 + 49 + 45 = 666.

9447534945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9447534945 - 2⁵ = 9447534913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9447534891 and 9447534900.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 921769 + ... + 931961.

It is an arithmetic number, because the mean of its divisors is an integer number (349858080).

Almost surely, 2^9447534945 is an apocalyptic number.

It is an amenable number.

9447534945 is a deficient number, since it is larger than the sum of its proper divisors (7345652895).

9447534945 is a wasteful number, since it uses less digits than its factorization.

9447534945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10726 (or 10723 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The square root of 9447534945 is about 97198.4307743700. The cubic root of 9447534945 is about 2114.0057731676.

The spelling of 9447534945 in words is "nine billion, four hundred forty-seven million, five hundred thirty-four thousand, nine hundred forty-five".