844626268463 has 2 divisors, whose sum is σ = 844626268464. Its totient is φ = 844626268462.

The previous prime is 844626268457. The next prime is 844626268627. The reversal of 844626268463 is 364862626448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 844626268463 - 2¹² = 844626264367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (844626268403) 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, 422313134231 + 422313134232.

It is an arithmetic number, because the mean of its divisors is an integer number (422313134232).

Almost surely, 2^844626268463 is an apocalyptic number.

844626268463 is a deficient number, since it is larger than the sum of its proper divisors (1).

844626268463 is an equidigital number, since it uses as much as digits as its factorization.

844626268463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63700992, while the sum is 59.

The spelling of 844626268463 in words is "eight hundred forty-four billion, six hundred twenty-six million, two hundred sixty-eight thousand, four hundred sixty-three".