9448549749 has 16 divisors (see below), whose sum is σ = 14235105600. Its totient is φ = 6192268848.

The previous prime is 9448549739. The next prime is 9448549751. The reversal of 9448549749 is 9479458449.

9448549749 is a `hidden beast` number, since 9 + 4 + 48 + 549 + 7 + 49 = 666.

It is not a de Polignac number, because 9448549749 - 2⁵ = 9448549717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9448549739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2964054 + ... + 2967239.

It is an arithmetic number, because the mean of its divisors is an integer number (889694100).

Almost surely, 2^9448549749 is an apocalyptic number.

It is an amenable number.

9448549749 is a deficient number, since it is larger than the sum of its proper divisors (4786555851).

9448549749 is a wasteful number, since it uses less digits than its factorization.

9448549749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5931361 (or 5931355 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The square root of 9448549749 is about 97203.6509036569. The cubic root of 9448549749 is about 2114.0814622131.

The spelling of 9448549749 in words is "nine billion, four hundred forty-eight million, five hundred forty-nine thousand, seven hundred forty-nine".