844658116444459 has 2 divisors, whose sum is σ = 844658116444460. Its totient is φ = 844658116444458.

The previous prime is 844658116444453. The next prime is 844658116444543. The reversal of 844658116444459 is 954444611856448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 844658116444459 - 2³ = 844658116444451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 844658116444391 and 844658116444400.

It is not a weakly prime, because it can be changed into another prime (844658116444451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422329058222229 + 422329058222230.

It is an arithmetic number, because the mean of its divisors is an integer number (422329058222230).

Almost surely, 2^{844658116444459} is an apocalyptic number.

844658116444459 is a deficient number, since it is larger than the sum of its proper divisors (1).

844658116444459 is an equidigital number, since it uses as much as digits as its factorization.

844658116444459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2123366400, while the sum is 73.

The spelling of 844658116444459 in words is "eight hundred forty-four trillion, six hundred fifty-eight billion, one hundred sixteen million, four hundred forty-four thousand, four hundred fifty-nine".