5205208198 has 4 divisors (see below), whose sum is σ = 7807812300. Its totient is φ = 2602604098.

The previous prime is 5205208159. The next prime is 5205208241. The reversal of 5205208198 is 8918025025.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5205208198.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1301302048 + ... + 1301302051.

It is an arithmetic number, because the mean of its divisors is an integer number (1951953075).

Almost surely, 2^5205208198 is an apocalyptic number.

5205208198 is a deficient number, since it is larger than the sum of its proper divisors (2602604102).

5205208198 is a wasteful number, since it uses less digits than its factorization.

5205208198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602604101.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 5205208198 is about 72147.1288271404. The cubic root of 5205208198 is about 1733.0564208606.

The spelling of 5205208198 in words is "five billion, two hundred five million, two hundred eight thousand, one hundred ninety-eight".