16844751320219 has 2 divisors, whose sum is σ = 16844751320220. Its totient is φ = 16844751320218.

The previous prime is 16844751320207. The next prime is 16844751320321. The reversal of 16844751320219 is 91202315744861.

It is a weak prime.

It is an emirp because it is prime and its reverse (91202315744861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16844751320219 - 2¹² = 16844751316123 is a prime.

It is a super-2 number, since 2×16844751320219² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16844751320119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8422375660109 + 8422375660110.

It is an arithmetic number, because the mean of its divisors is an integer number (8422375660110).

It is a 1-persistent number, because it is pandigital, but 2⋅16844751320219 = 33689502640438 is not.

Almost surely, 2^{16844751320219} is an apocalyptic number.

16844751320219 is a deficient number, since it is larger than the sum of its proper divisors (1).

16844751320219 is an equidigital number, since it uses as much as digits as its factorization.

16844751320219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 16844751320219 in words is "sixteen trillion, eight hundred forty-four billion, seven hundred fifty-one million, three hundred twenty thousand, two hundred nineteen".