2306799821 has 2 divisors, whose sum is σ = 2306799822. Its totient is φ = 2306799820.

The previous prime is 2306799793. The next prime is 2306799857. The reversal of 2306799821 is 1289976032.

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., 2303040100 + 3759721 = 47990^2 + 1939^2 .

It is a cyclic number.

It is not a de Polignac number, because 2306799821 - 2⁶ = 2306799757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2306799871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1153399910 + 1153399911.

It is an arithmetic number, because the mean of its divisors is an integer number (1153399911).

Almost surely, 2^2306799821 is an apocalyptic number.

It is an amenable number.

2306799821 is a deficient number, since it is larger than the sum of its proper divisors (1).

2306799821 is an equidigital number, since it uses as much as digits as its factorization.

2306799821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 2306799821 is about 48029.1559471952. The cubic root of 2306799821 is about 1321.3056832972.

The spelling of 2306799821 in words is "two billion, three hundred six million, seven hundred ninety-nine thousand, eight hundred twenty-one".