9448778449 has 8 divisors (see below), whose sum is σ = 10914097248. Its totient is φ = 8084516160.

The previous prime is 9448778447. The next prime is 9448778459.

9448778449 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9448778449 - 2¹ = 9448778447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9448778441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25263927 + ... + 25264300.

It is an arithmetic number, because the mean of its divisors is an integer number (1364262156).

Almost surely, 2^9448778449 is an apocalyptic number.

It is an amenable number.

9448778449 is a deficient number, since it is larger than the sum of its proper divisors (1465318799).

9448778449 is a wasteful number, since it uses less digits than its factorization.

9448778449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50528255.

The product of its digits is 65028096, while the sum is 64.

The square root of 9448778449 is about 97204.8272926813. The cubic root of 9448778449 is about 2114.0985190293.

The spelling of 9448778449 in words is "nine billion, four hundred forty-eight million, seven hundred seventy-eight thousand, four hundred forty-nine".