8544044513 has 4 divisors (see below), whose sum is σ = 8596462128. Its totient is φ = 8491626900.

The previous prime is 8544044497. The next prime is 8544044519. The reversal of 8544044513 is 3154404458.

It is a happy number.

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 8544044513 - 2⁴ = 8544044497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8544044519) 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 3 ways as a sum of consecutive naturals, for example, 26208563 + ... + 26208888.

It is an arithmetic number, because the mean of its divisors is an integer number (2149115532).

Almost surely, 2^8544044513 is an apocalyptic number.

It is an amenable number.

8544044513 is a deficient number, since it is larger than the sum of its proper divisors (52417615).

8544044513 is a wasteful number, since it uses less digits than its factorization.

8544044513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52417614.

The product of its (nonzero) digits is 153600, while the sum is 38.

The square root of 8544044513 is about 92434.0008492546. Note that the first 3 decimals coincide. The cubic root of 8544044513 is about 2044.3464703514.

The spelling of 8544044513 in words is "eight billion, five hundred forty-four million, forty-four thousand, five hundred thirteen".