5663635213 has 2 divisors, whose sum is σ = 5663635214. Its totient is φ = 5663635212.

The previous prime is 5663635171. The next prime is 5663635247. The reversal of 5663635213 is 3125363665.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4274805924 + 1388829289 = 65382^2 + 37267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5663635213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5663635013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2831817606 + 2831817607.

It is an arithmetic number, because the mean of its divisors is an integer number (2831817607).

Almost surely, 2^5663635213 is an apocalyptic number.

It is an amenable number.

5663635213 is a deficient number, since it is larger than the sum of its proper divisors (1).

5663635213 is an equidigital number, since it uses as much as digits as its factorization.

5663635213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 40.

The square root of 5663635213 is about 75257.1273235964. The cubic root of 5663635213 is about 1782.5091085471.

Adding to 5663635213 its reverse (3125363665), we get a palindrome (8788998878).

The spelling of 5663635213 in words is "five billion, six hundred sixty-three million, six hundred thirty-five thousand, two hundred thirteen".