2198430719999 has 2 divisors, whose sum is σ = 2198430720000. Its totient is φ = 2198430719998.

The previous prime is 2198430719987. The next prime is 2198430720001. The reversal of 2198430719999 is 9999170348912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2198430719999 - 2⁸ = 2198430719743 is a prime.

Together with 2198430720001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2198430719929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099215359999 + 1099215360000.

It is an arithmetic number, because the mean of its divisors is an integer number (1099215360000).

Almost surely, 2^{2198430719999} is an apocalyptic number.

2198430719999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198430719999 is an equidigital number, since it uses as much as digits as its factorization.

2198430719999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79361856, while the sum is 71.

The spelling of 2198430719999 in words is "two trillion, one hundred ninety-eight billion, four hundred thirty million, seven hundred nineteen thousand, nine hundred ninety-nine".