195936029985 has 16 divisors (see below), whose sum is σ = 313560555264. Its totient is φ = 104478246912.

The previous prime is 195936029963. The next prime is 195936030011. The reversal of 195936029985 is 589920639591.

195936029985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195936029985 - 2⁵ = 195936029953 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1233177 + ... + 1382966.

It is an arithmetic number, because the mean of its divisors is an integer number (19597534704).

Almost surely, 2^195936029985 is an apocalyptic number.

195936029985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195936029985 is a deficient number, since it is larger than the sum of its proper divisors (117624525279).

195936029985 is a wasteful number, since it uses less digits than its factorization.

195936029985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621144.

The product of its (nonzero) digits is 47239200, while the sum is 66.

The spelling of 195936029985 in words is "one hundred ninety-five billion, nine hundred thirty-six million, twenty-nine thousand, nine hundred eighty-five".