4325406821 has 2 divisors, whose sum is σ = 4325406822. Its totient is φ = 4325406820.

The previous prime is 4325406803. The next prime is 4325406847. The reversal of 4325406821 is 1286045234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2302656196 + 2022750625 = 47986^2 + 44975^2 .

It is a cyclic number.

It is not a de Polignac number, because 4325406821 - 2¹⁴ = 4325390437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4325406871) 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, 2162703410 + 2162703411.

It is an arithmetic number, because the mean of its divisors is an integer number (2162703411).

Almost surely, 2^4325406821 is an apocalyptic number.

It is an amenable number.

4325406821 is a deficient number, since it is larger than the sum of its proper divisors (1).

4325406821 is an equidigital number, since it uses as much as digits as its factorization.

4325406821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 4325406821 is about 65767.8251198867. The cubic root of 4325406821 is about 1629.3297482693.

The spelling of 4325406821 in words is "four billion, three hundred twenty-five million, four hundred six thousand, eight hundred twenty-one".