5646444653693 has 2 divisors, whose sum is σ = 5646444653694. Its totient is φ = 5646444653692.

The previous prime is 5646444653639. The next prime is 5646444653779. The reversal of 5646444653693 is 3963564446465.

5646444653693 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (5646444653639) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2921426171524 + 2725018482169 = 1709218^2 + 1650763^2 .

It is a cyclic number.

It is not a de Polignac number, because 5646444653693 - 2¹² = 5646444649597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5646444653893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823222326846 + 2823222326847.

It is an arithmetic number, because the mean of its divisors is an integer number (2823222326847).

Almost surely, 2^{5646444653693} is an apocalyptic number.

It is an amenable number.

5646444653693 is a deficient number, since it is larger than the sum of its proper divisors (1).

5646444653693 is an equidigital number, since it uses as much as digits as its factorization.

5646444653693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 671846400, while the sum is 65.

The spelling of 5646444653693 in words is "five trillion, six hundred forty-six billion, four hundred forty-four million, six hundred fifty-three thousand, six hundred ninety-three".