195274726201 has 9 divisors (see below), whose sum is σ = 204144696399. Its totient is φ = 186774798936.

The previous prime is 195274726151. The next prime is 195274726219. The reversal of 195274726201 is 102627472591.

The square root of 195274726201 is 441899.

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

It can be written as a sum of positive squares in only one way, i.e., 188464515625 + 6810210576 = 434125^2 + 82524^2 .

It is not a de Polignac number, because 195274726201 - 2⁹ = 195274725689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195274726261) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10154071 + ... + 10173283.

Almost surely, 2^195274726201 is an apocalyptic number.

195274726201 is the 441899-th square number.

195274726201 is the 220950-th centered octagonal number.

It is an amenable number.

195274726201 is a deficient number, since it is larger than the sum of its proper divisors (8869970198).

195274726201 is an frugal number, since it uses more digits than its factorization.

195274726201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38472 (or 19236 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 195274726201 in words is "one hundred ninety-five billion, two hundred seventy-four million, seven hundred twenty-six thousand, two hundred one".