4827308821 has 2 divisors, whose sum is σ = 4827308822. Its totient is φ = 4827308820.

The previous prime is 4827308813. The next prime is 4827308869. The reversal of 4827308821 is 1288037284.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4150580625 + 676728196 = 64425^2 + 26014^2 .

It is a cyclic number.

It is not a de Polignac number, because 4827308821 - 2³ = 4827308813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4827308221) 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, 2413654410 + 2413654411.

It is an arithmetic number, because the mean of its divisors is an integer number (2413654411).

Almost surely, 2^4827308821 is an apocalyptic number.

It is an amenable number.

4827308821 is a deficient number, since it is larger than the sum of its proper divisors (1).

4827308821 is an equidigital number, since it uses as much as digits as its factorization.

4827308821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 4827308821 is about 69478.8372168101. The cubic root of 4827308821 is about 1690.0583317284.

The spelling of 4827308821 in words is "four billion, eight hundred twenty-seven million, three hundred eight thousand, eight hundred twenty-one".