5050121818 has 8 divisors (see below), whose sum is σ = 8657351712. Its totient is φ = 2164337916.

The previous prime is 5050121789. The next prime is 5050121821. The reversal of 5050121818 is 8181210505.

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

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 5050121818.

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, 180361480 + ... + 180361507.

It is an arithmetic number, because the mean of its divisors is an integer number (1082168964).

Almost surely, 2^5050121818 is an apocalyptic number.

5050121818 is a deficient number, since it is larger than the sum of its proper divisors (3607229894).

5050121818 is a wasteful number, since it uses less digits than its factorization.

5050121818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360722996.

The product of its (nonzero) digits is 3200, while the sum is 31.

The square root of 5050121818 is about 71064.2091210477. The cubic root of 5050121818 is about 1715.6707667518.

The spelling of 5050121818 in words is "five billion, fifty million, one hundred twenty-one thousand, eight hundred eighteen".