108519349899 has 4 divisors (see below), whose sum is σ = 144692466536. Its totient is φ = 72346233264.

The previous prime is 108519349847. The next prime is 108519349931. The reversal of 108519349899 is 998943915801.

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

It is not a de Polignac number, because 108519349899 - 2⁹ = 108519349387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108519349819) 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, 18086558314 + ... + 18086558319.

It is an arithmetic number, because the mean of its divisors is an integer number (36173116634).

Almost surely, 2^108519349899 is an apocalyptic number.

108519349899 is a deficient number, since it is larger than the sum of its proper divisors (36173116637).

108519349899 is an equidigital number, since it uses as much as digits as its factorization.

108519349899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36173116636.

The product of its (nonzero) digits is 25194240, while the sum is 66.

The spelling of 108519349899 in words is "one hundred eight billion, five hundred nineteen million, three hundred forty-nine thousand, eight hundred ninety-nine".