4508121989818 has 8 divisors (see below), whose sum is σ = 6802675098912. Its totient is φ = 2240563623516.

The previous prime is 4508121989773. The next prime is 4508121989831. The reversal of 4508121989818 is 8189891218054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4508121989818.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6748685280 + ... + 6748685947.

It is an arithmetic number, because the mean of its divisors is an integer number (850334387364).

Almost surely, 2^{4508121989818} is an apocalyptic number.

4508121989818 is a deficient number, since it is larger than the sum of its proper divisors (2294553109094).

4508121989818 is a wasteful number, since it uses less digits than its factorization.

4508121989818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13497371396.

The product of its (nonzero) digits is 13271040, while the sum is 64.

The spelling of 4508121989818 in words is "four trillion, five hundred eight billion, one hundred twenty-one million, nine hundred eighty-nine thousand, eight hundred eighteen".