9544238945 has 4 divisors (see below), whose sum is σ = 11453086740. Its totient is φ = 7635391152.

The previous prime is 9544238939. The next prime is 9544238959. The reversal of 9544238945 is 5498324459.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6038533264 + 3505705681 = 77708^2 + 59209^2 .

It is a cyclic number.

It is not a de Polignac number, because 9544238945 - 2¹² = 9544234849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954423890 + ... + 954423899.

It is an arithmetic number, because the mean of its divisors is an integer number (2863271685).

Almost surely, 2^9544238945 is an apocalyptic number.

It is an amenable number.

9544238945 is a deficient number, since it is larger than the sum of its proper divisors (1908847795).

9544238945 is a wasteful number, since it uses less digits than its factorization.

9544238945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908847794.

The product of its digits is 6220800, while the sum is 53.

The square root of 9544238945 is about 97694.6208601067. The cubic root of 9544238945 is about 2121.1942174668.

The spelling of 9544238945 in words is "nine billion, five hundred forty-four million, two hundred thirty-eight thousand, nine hundred forty-five".