195595133294089 has 3 divisors (see below), whose sum is σ = 195595147279623. Its totient is φ = 195595119308556.

The previous prime is 195595133294087. The next prime is 195595133294111. The reversal of 195595133294089 is 980492331595591.

The square root of 195595133294089 is 13985533.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 12683249436025 + 182911883858064 = 3561355^2 + 13524492^2 .

It is not a de Polignac number, because 195595133294089 - 2¹ = 195595133294087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195595133294087) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6992767 + ... + 20978299.

It is an arithmetic number, because the mean of its divisors is an integer number (65198382426541).

Almost surely, 2^{195595133294089} is an apocalyptic number.

195595133294089 is the 13985533-rd square number.

195595133294089 is the 6992767-th centered octagonal number.

It is an amenable number.

195595133294089 is a deficient number, since it is larger than the sum of its proper divisors (13985534).

195595133294089 is an frugal number, since it uses more digits than its factorization.

195595133294089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27971066 (or 13985533 counting only the distinct ones).

The product of its (nonzero) digits is 472392000, while the sum is 73.

The spelling of 195595133294089 in words is "one hundred ninety-five trillion, five hundred ninety-five billion, one hundred thirty-three million, two hundred ninety-four thousand, eighty-nine".