5509439063999 has 4 divisors (see below), whose sum is σ = 5933242068936. Its totient is φ = 5085636059064.

The previous prime is 5509439063971. The next prime is 5509439064011. The reversal of 5509439063999 is 9993609349055.

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

It is a cyclic number.

It is not a de Polignac number, because 5509439063999 - 2⁸ = 5509439063743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5509439063899) 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, 211901502449 + ... + 211901502474.

It is an arithmetic number, because the mean of its divisors is an integer number (1483310517234).

Almost surely, 2^{5509439063999} is an apocalyptic number.

5509439063999 is a deficient number, since it is larger than the sum of its proper divisors (423803004937).

5509439063999 is a wasteful number, since it uses less digits than its factorization.

5509439063999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423803004936.

The product of its (nonzero) digits is 318864600, while the sum is 71.

The spelling of 5509439063999 in words is "five trillion, five hundred nine billion, four hundred thirty-nine million, sixty-three thousand, nine hundred ninety-nine".