84446268486641 has 2 divisors, whose sum is σ = 84446268486642. Its totient is φ = 84446268486640.

The previous prime is 84446268486623. The next prime is 84446268486667. The reversal of 84446268486641 is 14668486264448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67488344486641 + 16957924000000 = 8215129^2 + 4118000^2 .

It is a cyclic number.

It is not a de Polignac number, because 84446268486641 - 2³⁰ = 84445194744817 is a prime.

It is a super-2 number, since 2×84446268486641² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (84446268486691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42223134243320 + 42223134243321.

It is an arithmetic number, because the mean of its divisors is an integer number (42223134243321).

Almost surely, 2^{84446268486641} is an apocalyptic number.

It is an amenable number.

84446268486641 is a deficient number, since it is larger than the sum of its proper divisors (1).

84446268486641 is an equidigital number, since it uses as much as digits as its factorization.

84446268486641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1358954496, while the sum is 71.

The spelling of 84446268486641 in words is "eighty-four trillion, four hundred forty-six billion, two hundred sixty-eight million, four hundred eighty-six thousand, six hundred forty-one".