13558844099 has 4 divisors (see below), whose sum is σ = 13656389880. Its totient is φ = 13461298320.

The previous prime is 13558844059. The next prime is 13558844141. The reversal of 13558844099 is 99044885531.

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 13558844099 - 2³² = 9263876803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13558844029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48772682 + ... + 48772959.

It is an arithmetic number, because the mean of its divisors is an integer number (3414097470).

Almost surely, 2^13558844099 is an apocalyptic number.

13558844099 is a deficient number, since it is larger than the sum of its proper divisors (97545781).

13558844099 is an equidigital number, since it uses as much as digits as its factorization.

13558844099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97545780.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 13558844099 in words is "thirteen billion, five hundred fifty-eight million, eight hundred forty-four thousand, ninety-nine".