195321387041 has 4 divisors (see below), whose sum is σ = 213077876784. Its totient is φ = 177564897300.

The previous prime is 195321387031. The next prime is 195321387043. The reversal of 195321387041 is 140783123591.

195321387041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195321387041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 195321386983 and 195321387001.

It is not an unprimeable number, because it can be changed into a prime (195321387043) 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 3 ways as a sum of consecutive naturals, for example, 8878244855 + ... + 8878244876.

It is an arithmetic number, because the mean of its divisors is an integer number (53269469196).

Almost surely, 2^195321387041 is an apocalyptic number.

195321387041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

195321387041 is a deficient number, since it is larger than the sum of its proper divisors (17756489743).

195321387041 is a wasteful number, since it uses less digits than its factorization.

195321387041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17756489742.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 195321387041 in words is "one hundred ninety-five billion, three hundred twenty-one million, three hundred eighty-seven thousand, forty-one".