198943988035 has 8 divisors (see below), whose sum is σ = 257096846160. Its totient is φ = 146912483424.

The previous prime is 198943988029. The next prime is 198943988057. The reversal of 198943988035 is 530889349891.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198943988035 is a prime.

It is a super-2 number, since 2×198943988035² (a number of 23 digits) contains 22 as substring.

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, 1530338305 + ... + 1530338434.

It is an arithmetic number, because the mean of its divisors is an integer number (32137105770).

Almost surely, 2^198943988035 is an apocalyptic number.

198943988035 is a deficient number, since it is larger than the sum of its proper divisors (58152858125).

198943988035 is a wasteful number, since it uses less digits than its factorization.

198943988035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060676757.

The product of its (nonzero) digits is 67184640, while the sum is 67.

The spelling of 198943988035 in words is "one hundred ninety-eight billion, nine hundred forty-three million, nine hundred eighty-eight thousand, thirty-five".