196748068813 has 2 divisors, whose sum is σ = 196748068814. Its totient is φ = 196748068812.

The previous prime is 196748068771. The next prime is 196748068871. The reversal of 196748068813 is 318860847691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187469948484 + 9278120329 = 432978^2 + 96323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196748068813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196748068613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98374034406 + 98374034407.

It is an arithmetic number, because the mean of its divisors is an integer number (98374034407).

Almost surely, 2^196748068813 is an apocalyptic number.

It is an amenable number.

196748068813 is a deficient number, since it is larger than the sum of its proper divisors (1).

196748068813 is an equidigital number, since it uses as much as digits as its factorization.

196748068813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 196748068813 in words is "one hundred ninety-six billion, seven hundred forty-eight million, sixty-eight thousand, eight hundred thirteen".