5668643933 has 2 divisors, whose sum is σ = 5668643934. Its totient is φ = 5668643932.

The previous prime is 5668643909. The next prime is 5668643951. The reversal of 5668643933 is 3393468665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5448358969 + 220284964 = 73813^2 + 14842^2 .

It is a cyclic number.

It is not a de Polignac number, because 5668643933 - 2²⁸ = 5400208477 is a prime.

It is a super-3 number, since 3×5668643933³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5668643993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2834321966 + 2834321967.

It is an arithmetic number, because the mean of its divisors is an integer number (2834321967).

Almost surely, 2^5668643933 is an apocalyptic number.

It is an amenable number.

5668643933 is a deficient number, since it is larger than the sum of its proper divisors (1).

5668643933 is an equidigital number, since it uses as much as digits as its factorization.

5668643933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8398080, while the sum is 53.

The square root of 5668643933 is about 75290.3973491972. The cubic root of 5668643933 is about 1783.0344165330.

The spelling of 5668643933 in words is "five billion, six hundred sixty-eight million, six hundred forty-three thousand, nine hundred thirty-three".