4511168449 has 4 divisors (see below), whose sum is σ = 4539902164. Its totient is φ = 4482434736.

The previous prime is 4511168443. The next prime is 4511168477. The reversal of 4511168449 is 9448611154.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1551808449 + 2959360000 = 39393^2 + 54400^2 .

It is a cyclic number.

It is not a de Polignac number, because 4511168449 - 2⁹ = 4511167937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4511168443) 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, 14366622 + ... + 14366935.

It is an arithmetic number, because the mean of its divisors is an integer number (1134975541).

Almost surely, 2^4511168449 is an apocalyptic number.

It is an amenable number.

4511168449 is a deficient number, since it is larger than the sum of its proper divisors (28733715).

4511168449 is a wasteful number, since it uses less digits than its factorization.

4511168449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28733714.

The product of its digits is 138240, while the sum is 43.

The square root of 4511168449 is about 67165.2324420902. The cubic root of 4511168449 is about 1652.3283259168.

The spelling of 4511168449 in words is "four billion, five hundred eleven million, one hundred sixty-eight thousand, four hundred forty-nine".