5688268721 has 2 divisors, whose sum is σ = 5688268722. Its totient is φ = 5688268720.

The previous prime is 5688268699. The next prime is 5688268739. The reversal of 5688268721 is 1278628865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3224536225 + 2463732496 = 56785^2 + 49636^2 .

It is a cyclic number.

It is not a de Polignac number, because 5688268721 - 2²⁶ = 5621159857 is a prime.

It is not a weakly prime, because it can be changed into another prime (5688268121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2844134360 + 2844134361.

It is an arithmetic number, because the mean of its divisors is an integer number (2844134361).

Almost surely, 2^5688268721 is an apocalyptic number.

It is an amenable number.

5688268721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5688268721 is an equidigital number, since it uses as much as digits as its factorization.

5688268721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 53.

The square root of 5688268721 is about 75420.6120433930. The cubic root of 5688268721 is about 1785.0896623171.

The spelling of 5688268721 in words is "five billion, six hundred eighty-eight million, two hundred sixty-eight thousand, seven hundred twenty-one".