198569852950 has 48 divisors (see below), whose sum is σ = 426200935680. Its totient is φ = 67420098720.

The previous prime is 198569852879. The next prime is 198569852959. The reversal of 198569852950 is 59258965891.

It is a happy number.

198569852950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198569852959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2718040 + ... + 2790139.

It is an arithmetic number, because the mean of its divisors is an integer number (8879186160).

Almost surely, 2^198569852950 is an apocalyptic number.

198569852950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198569852950 is an abundant number, since it is smaller than the sum of its proper divisors (227631082730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198569852950 is a wasteful number, since it uses less digits than its factorization.

198569852950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5508301 (or 5508296 counting only the distinct ones).

The product of its (nonzero) digits is 69984000, while the sum is 67.

The spelling of 198569852950 in words is "one hundred ninety-eight billion, five hundred sixty-nine million, eight hundred fifty-two thousand, nine hundred fifty".