844680796819 has 2 divisors, whose sum is σ = 844680796820. Its totient is φ = 844680796818.

The previous prime is 844680796793. The next prime is 844680796847. The reversal of 844680796819 is 918697086448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 844680796819 - 2²⁹ = 844143925907 is a prime.

It is a super-2 number, since 2×844680796819² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (844680797819) 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, 422340398409 + 422340398410.

It is an arithmetic number, because the mean of its divisors is an integer number (422340398410).

Almost surely, 2^844680796819 is an apocalyptic number.

844680796819 is a deficient number, since it is larger than the sum of its proper divisors (1).

844680796819 is an equidigital number, since it uses as much as digits as its factorization.

844680796819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 167215104, while the sum is 70.

The spelling of 844680796819 in words is "eight hundred forty-four billion, six hundred eighty million, seven hundred ninety-six thousand, eight hundred nineteen".