9445445449 has 4 divisors (see below), whose sum is σ = 10304122320. Its totient is φ = 8586768580.

The previous prime is 9445445423. The next prime is 9445445473.

9445445449 is nontrivially palindromic in base 10.

9445445449 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 9445445449 - 2⁵ = 9445445417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9445445396 and 9445445405.

It is not an unprimeable number, because it can be changed into a prime (9445445749) 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, 429338419 + ... + 429338440.

It is an arithmetic number, because the mean of its divisors is an integer number (2576030580).

Almost surely, 2^9445445449 is an apocalyptic number.

It is an amenable number.

9445445449 is a deficient number, since it is larger than the sum of its proper divisors (858676871).

9445445449 is a wasteful number, since it uses less digits than its factorization.

9445445449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858676870.

The product of its digits is 8294400, while the sum is 52.

The square root of 9445445449 is about 97187.6815702484. The cubic root of 9445445449 is about 2113.8499112656.

The spelling of 9445445449 in words is "nine billion, four hundred forty-five million, four hundred forty-five thousand, four hundred forty-nine".