196642397460071 has 2 divisors, whose sum is σ = 196642397460072. Its totient is φ = 196642397460070.

The previous prime is 196642397460059. The next prime is 196642397460077. The reversal of 196642397460071 is 170064793246691.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196642397460071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196642397460077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98321198730035 + 98321198730036.

It is an arithmetic number, because the mean of its divisors is an integer number (98321198730036).

Almost surely, 2^{196642397460071} is an apocalyptic number.

196642397460071 is a deficient number, since it is larger than the sum of its proper divisors (1).

196642397460071 is an equidigital number, since it uses as much as digits as its factorization.

196642397460071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82301184, while the sum is 65.

The spelling of 196642397460071 in words is "one hundred ninety-six trillion, six hundred forty-two billion, three hundred ninety-seven million, four hundred sixty thousand, seventy-one".