1968960997099 has 2 divisors, whose sum is σ = 1968960997100. Its totient is φ = 1968960997098.

The previous prime is 1968960997013. The next prime is 1968960997111. The reversal of 1968960997099 is 9907990698691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1968960997099 - 2⁷ = 1968960996971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1968960997009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984480498549 + 984480498550.

It is an arithmetic number, because the mean of its divisors is an integer number (984480498550).

Almost surely, 2^{1968960997099} is an apocalyptic number.

1968960997099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1968960997099 is an equidigital number, since it uses as much as digits as its factorization.

1968960997099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1071385056, while the sum is 82.

The spelling of 1968960997099 in words is "one trillion, nine hundred sixty-eight billion, nine hundred sixty million, nine hundred ninety-seven thousand, ninety-nine".