195326734993 has 24 divisors (see below), whose sum is σ = 216186537600. Its totient is φ = 176344144704.

The previous prime is 195326734979. The next prime is 195326735017. The reversal of 195326734993 is 399437623591.

195326734993 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 195326734993 - 2⁵ = 195326734961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195326734973) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1914568 + ... + 2014006.

It is an arithmetic number, because the mean of its divisors is an integer number (9007772400).

Almost surely, 2^195326734993 is an apocalyptic number.

195326734993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

195326734993 is a deficient number, since it is larger than the sum of its proper divisors (20859802607).

195326734993 is a wasteful number, since it uses less digits than its factorization.

195326734993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99721 (or 99708 counting only the distinct ones).

The product of its digits is 33067440, while the sum is 61.

The spelling of 195326734993 in words is "one hundred ninety-five billion, three hundred twenty-six million, seven hundred thirty-four thousand, nine hundred ninety-three".