5613645613 has 2 divisors, whose sum is σ = 5613645614. Its totient is φ = 5613645612.

The previous prime is 5613645607. The next prime is 5613645629. The reversal of 5613645613 is 3165463165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2926052649 + 2687592964 = 54093^2 + 51842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5613645613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5613645113) 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, 2806822806 + 2806822807.

It is an arithmetic number, because the mean of its divisors is an integer number (2806822807).

Almost surely, 2^5613645613 is an apocalyptic number.

It is an amenable number.

5613645613 is a deficient number, since it is larger than the sum of its proper divisors (1).

5613645613 is an equidigital number, since it uses as much as digits as its factorization.

5613645613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 40.

The square root of 5613645613 is about 74924.2658489224. The cubic root of 5613645613 is about 1777.2492137957.

The spelling of 5613645613 in words is "five billion, six hundred thirteen million, six hundred forty-five thousand, six hundred thirteen".