5368688821 has 2 divisors, whose sum is σ = 5368688822. Its totient is φ = 5368688820.

The previous prime is 5368688813. The next prime is 5368688837. The reversal of 5368688821 is 1288868635.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5296200625 + 72488196 = 72775^2 + 8514^2 .

It is a cyclic number.

It is not a de Polignac number, because 5368688821 - 2³ = 5368688813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5368688851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2684344410 + 2684344411.

It is an arithmetic number, because the mean of its divisors is an integer number (2684344411).

Almost surely, 2^5368688821 is an apocalyptic number.

It is an amenable number.

5368688821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5368688821 is an equidigital number, since it uses as much as digits as its factorization.

5368688821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4423680, while the sum is 55.

The square root of 5368688821 is about 73271.3369674663. The cubic root of 5368688821 is about 1751.0131625408.

The spelling of 5368688821 in words is "five billion, three hundred sixty-eight million, six hundred eighty-eight thousand, eight hundred twenty-one".