195949635936 has 36 divisors (see below), whose sum is σ = 514379179692. Its totient is φ = 65315099584.

The previous prime is 195949635923. The next prime is 195949635961. The reversal of 195949635936 is 639536949591.

195949635936 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4314595 + ... + 4359773.

It is an arithmetic number, because the mean of its divisors is an integer number (14288310547).

Almost surely, 2^195949635936 is an apocalyptic number.

195949635936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

195949635936 is an abundant number, since it is smaller than the sum of its proper divisors (318429543756).

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

195949635936 is an frugal number, since it uses more digits than its factorization.

195949635936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90371 (or 45184 counting only the distinct ones).

The product of its digits is 212576400, while the sum is 69.

The spelling of 195949635936 in words is "one hundred ninety-five billion, nine hundred forty-nine million, six hundred thirty-five thousand, nine hundred thirty-six".