1198803719843 has 2 divisors, whose sum is σ = 1198803719844. Its totient is φ = 1198803719842.

The previous prime is 1198803719819. The next prime is 1198803719857. The reversal of 1198803719843 is 3489173088911.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3489173088911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1198803719843 - 2⁶ = 1198803719779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1198803716843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599401859921 + 599401859922.

It is an arithmetic number, because the mean of its divisors is an integer number (599401859922).

Almost surely, 2^{1198803719843} is an apocalyptic number.

1198803719843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1198803719843 is an equidigital number, since it uses as much as digits as its factorization.

1198803719843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 62.

The spelling of 1198803719843 in words is "one trillion, one hundred ninety-eight billion, eight hundred three million, seven hundred nineteen thousand, eight hundred forty-three".