5823799721 has 2 divisors, whose sum is σ = 5823799722. Its totient is φ = 5823799720.

The previous prime is 5823799703. The next prime is 5823799733. The reversal of 5823799721 is 1279973285.

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., 4863109696 + 960690025 = 69736^2 + 30995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5823799721 is a prime.

It is not a weakly prime, because it can be changed into another prime (5823799771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2911899860 + 2911899861.

It is an arithmetic number, because the mean of its divisors is an integer number (2911899861).

Almost surely, 2^5823799721 is an apocalyptic number.

It is an amenable number.

5823799721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5823799721 is an equidigital number, since it uses as much as digits as its factorization.

5823799721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 53.

The square root of 5823799721 is about 76313.8239180818. The cubic root of 5823799721 is about 1799.1559541738.

The spelling of 5823799721 in words is "five billion, eight hundred twenty-three million, seven hundred ninety-nine thousand, seven hundred twenty-one".