5681623793 has 2 divisors, whose sum is σ = 5681623794. Its totient is φ = 5681623792.

The previous prime is 5681623723. The next prime is 5681623819. The reversal of 5681623793 is 3973261865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5628450529 + 53173264 = 75023^2 + 7292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5681623793 is a prime.

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 (5681623723) 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, 2840811896 + 2840811897.

It is an arithmetic number, because the mean of its divisors is an integer number (2840811897).

Almost surely, 2^5681623793 is an apocalyptic number.

It is an amenable number.

5681623793 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681623793 is an equidigital number, since it uses as much as digits as its factorization.

5681623793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The square root of 5681623793 is about 75376.5467038654. The cubic root of 5681623793 is about 1784.3942888054.

The spelling of 5681623793 in words is "five billion, six hundred eighty-one million, six hundred twenty-three thousand, seven hundred ninety-three".