16843434919 has 2 divisors, whose sum is σ = 16843434920. Its totient is φ = 16843434918.

The previous prime is 16843434851. The next prime is 16843434961. The reversal of 16843434919 is 91943434861.

It is a strong prime.

It is an emirp because it is prime and its reverse (91943434861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16843434919 - 2¹¹ = 16843432871 is a prime.

It is a super-2 number, since 2×16843434919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16843434989) 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, 8421717459 + 8421717460.

It is an arithmetic number, because the mean of its divisors is an integer number (8421717460).

Almost surely, 2^16843434919 is an apocalyptic number.

16843434919 is a deficient number, since it is larger than the sum of its proper divisors (1).

16843434919 is an equidigital number, since it uses as much as digits as its factorization.

16843434919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 52.

The spelling of 16843434919 in words is "sixteen billion, eight hundred forty-three million, four hundred thirty-four thousand, nine hundred nineteen".