5616806813 has 2 divisors, whose sum is σ = 5616806814. Its totient is φ = 5616806812.

The previous prime is 5616806803. The next prime is 5616806843. The reversal of 5616806813 is 3186086165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3809111524 + 1807695289 = 61718^2 + 42517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5616806813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5616806803) 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, 2808403406 + 2808403407.

It is an arithmetic number, because the mean of its divisors is an integer number (2808403407).

Almost surely, 2^5616806813 is an apocalyptic number.

It is an amenable number.

5616806813 is a deficient number, since it is larger than the sum of its proper divisors (1).

5616806813 is an equidigital number, since it uses as much as digits as its factorization.

5616806813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 5616806813 is about 74945.3588489641. The cubic root of 5616806813 is about 1777.5827573510.

The spelling of 5616806813 in words is "five billion, six hundred sixteen million, eight hundred six thousand, eight hundred thirteen".