198936835469 has 8 divisors (see below), whose sum is σ = 205617363840. Its totient is φ = 192358300096.

The previous prime is 198936835457. The next prime is 198936835523. The reversal of 198936835469 is 964538639891.

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

It is a cyclic number.

It is not a de Polignac number, because 198936835469 - 2⁴ = 198936835453 is a prime.

It is a super-2 number, since 2×198936835469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198936835439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25494284 + ... + 25502085.

It is an arithmetic number, because the mean of its divisors is an integer number (25702170480).

Almost surely, 2^198936835469 is an apocalyptic number.

It is an amenable number.

198936835469 is a deficient number, since it is larger than the sum of its proper divisors (6680528371).

198936835469 is an equidigital number, since it uses as much as digits as its factorization.

198936835469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50996499.

The product of its digits is 302330880, while the sum is 71.

The spelling of 198936835469 in words is "one hundred ninety-eight billion, nine hundred thirty-six million, eight hundred thirty-five thousand, four hundred sixty-nine".