4608428821 has 2 divisors, whose sum is σ = 4608428822. Its totient is φ = 4608428820.

The previous prime is 4608428813. The next prime is 4608428849. The reversal of 4608428821 is 1288248064.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4258215025 + 350213796 = 65255^2 + 18714^2 .

It is a cyclic number.

It is not a de Polignac number, because 4608428821 - 2³ = 4608428813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4608428861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2304214410 + 2304214411.

It is an arithmetic number, because the mean of its divisors is an integer number (2304214411).

Almost surely, 2^4608428821 is an apocalyptic number.

It is an amenable number.

4608428821 is a deficient number, since it is larger than the sum of its proper divisors (1).

4608428821 is an equidigital number, since it uses as much as digits as its factorization.

4608428821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196608, while the sum is 43.

The square root of 4608428821 is about 67885.4094853968. The cubic root of 4608428821 is about 1664.1186762631.

The spelling of 4608428821 in words is "four billion, six hundred eight million, four hundred twenty-eight thousand, eight hundred twenty-one".