5643124673 has 2 divisors, whose sum is σ = 5643124674. Its totient is φ = 5643124672.

The previous prime is 5643124661. The next prime is 5643124733. The reversal of 5643124673 is 3764213465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5091250609 + 551874064 = 71353^2 + 23492^2 .

It is a cyclic number.

It is not a de Polignac number, because 5643124673 - 2⁴ = 5643124657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5643124673.

It is not a weakly prime, because it can be changed into another prime (5643124273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2821562336 + 2821562337.

It is an arithmetic number, because the mean of its divisors is an integer number (2821562337).

Almost surely, 2^5643124673 is an apocalyptic number.

It is an amenable number.

5643124673 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643124673 is an equidigital number, since it uses as much as digits as its factorization.

5643124673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 41.

The square root of 5643124673 is about 75120.7339753813. The cubic root of 5643124673 is about 1780.3547532842.

The spelling of 5643124673 in words is "five billion, six hundred forty-three million, one hundred twenty-four thousand, six hundred seventy-three".