196300121917 has 2 divisors, whose sum is σ = 196300121918. Its totient is φ = 196300121916.

The previous prime is 196300121911. The next prime is 196300121957. The reversal of 196300121917 is 719121003691.

It is an a-pointer prime, because the next prime (196300121957) can be obtained adding 196300121917 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110642051641 + 85658070276 = 332629^2 + 292674^2 .

It is an emirp because it is prime and its reverse (719121003691) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196300121917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196300121917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196300121911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98150060958 + 98150060959.

It is an arithmetic number, because the mean of its divisors is an integer number (98150060959).

Almost surely, 2^196300121917 is an apocalyptic number.

It is an amenable number.

196300121917 is a deficient number, since it is larger than the sum of its proper divisors (1).

196300121917 is an equidigital number, since it uses as much as digits as its factorization.

196300121917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 40.

The spelling of 196300121917 in words is "one hundred ninety-six billion, three hundred million, one hundred twenty-one thousand, nine hundred seventeen".