195741594973 has 12 divisors (see below), whose sum is σ = 211856395860. Its totient is φ = 180751380992.

The previous prime is 195741594947. The next prime is 195741594991. The reversal of 195741594973 is 379495147591.

It can be written as a sum of positive squares in 6 ways, for example, as 8410173849 + 187331421124 = 91707^2 + 432818^2 .

It is a de Polignac number, because none of the positive numbers 2^k-195741594973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195741592973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6374368 + ... + 6405001.

It is an arithmetic number, because the mean of its divisors is an integer number (17654699655).

Almost surely, 2^195741594973 is an apocalyptic number.

It is an amenable number.

195741594973 is a deficient number, since it is larger than the sum of its proper divisors (16114800887).

195741594973 is a wasteful number, since it uses less digits than its factorization.

195741594973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12779456 (or 12779439 counting only the distinct ones).

The product of its digits is 42865200, while the sum is 64.

The spelling of 195741594973 in words is "one hundred ninety-five billion, seven hundred forty-one million, five hundred ninety-four thousand, nine hundred seventy-three".