198603280442 has 16 divisors (see below), whose sum is σ = 345258018432. Its totient is φ = 83916878640.

The previous prime is 198603280321. The next prime is 198603280483. The reversal of 198603280442 is 244082306891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99900053 + ... + 99902040.

It is an arithmetic number, because the mean of its divisors is an integer number (21578626152).

Almost surely, 2^198603280442 is an apocalyptic number.

198603280442 is a deficient number, since it is larger than the sum of its proper divisors (146654737990).

198603280442 is a wasteful number, since it uses less digits than its factorization.

198603280442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199802173.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 198603280442 in words is "one hundred ninety-eight billion, six hundred three million, two hundred eighty thousand, four hundred forty-two".