8544554459 has 16 divisors (see below), whose sum is σ = 10116673536. Its totient is φ = 7062012000.

The previous prime is 8544554407. The next prime is 8544554471. The reversal of 8544554459 is 9544554458.

It is a cyclic number.

It is not a de Polignac number, because 8544554459 - 2¹⁶ = 8544488923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8544554459.

It is not an unprimeable number, because it can be changed into a prime (8544554489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10967 + ... + 131184.

It is an arithmetic number, because the mean of its divisors is an integer number (632292096).

Almost surely, 2^8544554459 is an apocalyptic number.

8544554459 is a deficient number, since it is larger than the sum of its proper divisors (1572119077).

8544554459 is a wasteful number, since it uses less digits than its factorization.

8544554459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142466.

The product of its digits is 11520000, while the sum is 53.

The square root of 8544554459 is about 92436.7592411158. The cubic root of 8544554459 is about 2044.3871413929.

Subtracting 8544554459 from its reverse (9544554458), we obtain a palindrome (999999999).

The spelling of 8544554459 in words is "eight billion, five hundred forty-four million, five hundred fifty-four thousand, four hundred fifty-nine".