196327396291 has 4 divisors (see below), whose sum is σ = 211429503712. Its totient is φ = 181225288872.

The previous prime is 196327396271. The next prime is 196327396301. The reversal of 196327396291 is 192693723691.

It is a happy number.

196327396291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196327396291 - 2¹¹ = 196327394243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196327396271) 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 in 3 ways as a sum of consecutive naturals, for example, 7551053691 + ... + 7551053716.

It is an arithmetic number, because the mean of its divisors is an integer number (52857375928).

Almost surely, 2^196327396291 is an apocalyptic number.

196327396291 is a deficient number, since it is larger than the sum of its proper divisors (15102107421).

196327396291 is a wasteful number, since it uses less digits than its factorization.

196327396291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15102107420.

The product of its digits is 6613488, while the sum is 58.

The spelling of 196327396291 in words is "one hundred ninety-six billion, three hundred twenty-seven million, three hundred ninety-six thousand, two hundred ninety-one".