196175468809 has 2 divisors, whose sum is σ = 196175468810. Its totient is φ = 196175468808.

The previous prime is 196175468777. The next prime is 196175468851. The reversal of 196175468809 is 908864571691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190682435584 + 5493033225 = 436672^2 + 74115^2 .

It is a cyclic number.

It is not a de Polignac number, because 196175468809 - 2⁵ = 196175468777 is a prime.

It is not a weakly prime, because it can be changed into another prime (196175468869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98087734404 + 98087734405.

It is an arithmetic number, because the mean of its divisors is an integer number (98087734405).

Almost surely, 2^196175468809 is an apocalyptic number.

It is an amenable number.

196175468809 is a deficient number, since it is larger than the sum of its proper divisors (1).

196175468809 is an equidigital number, since it uses as much as digits as its factorization.

196175468809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26127360, while the sum is 64.

The spelling of 196175468809 in words is "one hundred ninety-six billion, one hundred seventy-five million, four hundred sixty-eight thousand, eight hundred nine".