5042198626418 has 18 divisors (see below), whose sum is σ = 7618768577199. Its totient is φ = 2502742792092.

The previous prime is 5042198626369. The next prime is 5042198626489. The reversal of 5042198626418 is 8146268912405.

It can be written as a sum of positive squares in only one way, i.e., 2521099313209 + 2521099313209 = 1587797^2 + 1587797^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1587797.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 441401855 + ... + 441413277.

Almost surely, 2^{5042198626418} is an apocalyptic number.

5042198626418 is a deficient number, since it is larger than the sum of its proper divisors (2576569950781).

5042198626418 is an frugal number, since it uses more digits than its factorization.

5042198626418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23126 (or 11564 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 5042198626418 in words is "five trillion, forty-two billion, one hundred ninety-eight million, six hundred twenty-six thousand, four hundred eighteen".