196786944712993 has 2 divisors, whose sum is σ = 196786944712994. Its totient is φ = 196786944712992.

The previous prime is 196786944712991. The next prime is 196786944713059. The reversal of 196786944712993 is 399217449687691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193932139106304 + 2854805606689 = 13925952^2 + 1689617^2 .

It is a cyclic number.

It is not a de Polignac number, because 196786944712993 - 2¹ = 196786944712991 is a prime.

Together with 196786944712991, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 196786944712993.

It is not a weakly prime, because it can be changed into another prime (196786944712991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98393472356496 + 98393472356497.

It is an arithmetic number, because the mean of its divisors is an integer number (98393472356497).

Almost surely, 2^{196786944712993} is an apocalyptic number.

It is an amenable number.

196786944712993 is a deficient number, since it is larger than the sum of its proper divisors (1).

196786944712993 is an equidigital number, since it uses as much as digits as its factorization.

196786944712993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8888527872, while the sum is 85.

The spelling of 196786944712993 in words is "one hundred ninety-six trillion, seven hundred eighty-six billion, nine hundred forty-four million, seven hundred twelve thousand, nine hundred ninety-three".