196395381011 has 2 divisors, whose sum is σ = 196395381012. Its totient is φ = 196395381010.

The previous prime is 196395380983. The next prime is 196395381043. The reversal of 196395381011 is 110183593691.

196395381011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196395381011 is a prime.

It is a super-2 number, since 2×196395381011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (196395383011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98197690505 + 98197690506.

It is an arithmetic number, because the mean of its divisors is an integer number (98197690506).

Almost surely, 2^196395381011 is an apocalyptic number.

196395381011 is a deficient number, since it is larger than the sum of its proper divisors (1).

196395381011 is an equidigital number, since it uses as much as digits as its factorization.

196395381011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 47.

The spelling of 196395381011 in words is "one hundred ninety-six billion, three hundred ninety-five million, three hundred eighty-one thousand, eleven".