9549449459 has 4 divisors (see below), whose sum is σ = 10417581240. Its totient is φ = 8681317680.

The previous prime is 9549449447. The next prime is 9549449461.

9549449459 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 9549449459 - 2²⁸ = 9281014003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9549442459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434065874 + ... + 434065895.

It is an arithmetic number, because the mean of its divisors is an integer number (2604395310).

Almost surely, 2^9549449459 is an apocalyptic number.

9549449459 is a deficient number, since it is larger than the sum of its proper divisors (868131781).

9549449459 is a wasteful number, since it uses less digits than its factorization.

9549449459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868131780.

The product of its digits is 41990400, while the sum is 62.

The square root of 9549449459 is about 97721.2845750607. The cubic root of 9549449459 is about 2121.5801571431.

The spelling of 9549449459 in words is "nine billion, five hundred forty-nine million, four hundred forty-nine thousand, four hundred fifty-nine".