196863193193 has 8 divisors (see below), whose sum is σ = 197210975400. Its totient is φ = 196515708928.

The previous prime is 196863193157. The next prime is 196863193237. The reversal of 196863193193 is 391391368691.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15478345744 + 181384847449 = 124412^2 + 425893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196863193193 - 2¹² = 196863189097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (196863193393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269473 + ... + 1416081.

It is an arithmetic number, because the mean of its divisors is an integer number (24651371925).

Almost surely, 2^196863193193 is an apocalyptic number.

It is an amenable number.

196863193193 is a deficient number, since it is larger than the sum of its proper divisors (347782207).

196863193193 is a wasteful number, since it uses less digits than its factorization.

196863193193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148971.

The product of its digits is 5668704, while the sum is 59.

The spelling of 196863193193 in words is "one hundred ninety-six billion, eight hundred sixty-three million, one hundred ninety-three thousand, one hundred ninety-three".