9509447049 has 4 divisors (see below), whose sum is σ = 12679262736. Its totient is φ = 6339631364.

The previous prime is 9509447027. The next prime is 9509447107. The reversal of 9509447049 is 9407449059.

It is a happy number.

9509447049 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 Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9407449059 = 3 ⋅3135816353.

It is a cyclic number.

It is not a de Polignac number, because 9509447049 - 2³³ = 919512457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9509446992 and 9509447010.

It is not an unprimeable number, because it can be changed into a prime (9509446049) 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 3 ways as a sum of consecutive naturals, for example, 1584907839 + ... + 1584907844.

It is an arithmetic number, because the mean of its divisors is an integer number (3169815684).

Almost surely, 2^9509447049 is an apocalyptic number.

It is an amenable number.

9509447049 is a deficient number, since it is larger than the sum of its proper divisors (3169815687).

9509447049 is a wasteful number, since it uses less digits than its factorization.

9509447049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169815686.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 9509447049 is about 97516.3937448468. The cubic root of 9509447049 is about 2118.6135952143.

The spelling of 9509447049 in words is "nine billion, five hundred nine million, four hundred forty-seven thousand, forty-nine".