4828121813 has 2 divisors, whose sum is σ = 4828121814. Its totient is φ = 4828121812.

The previous prime is 4828121801. The next prime is 4828121923. The reversal of 4828121813 is 3181218284.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4202021329 + 626100484 = 64823^2 + 25022^2 .

It is a cyclic number.

It is not a de Polignac number, because 4828121813 - 2²⁸ = 4559686357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4828121413) 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, 2414060906 + 2414060907.

It is an arithmetic number, because the mean of its divisors is an integer number (2414060907).

Almost surely, 2^4828121813 is an apocalyptic number.

It is an amenable number.

4828121813 is a deficient number, since it is larger than the sum of its proper divisors (1).

4828121813 is an equidigital number, since it uses as much as digits as its factorization.

4828121813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24576, while the sum is 38.

The square root of 4828121813 is about 69484.6876153300. The cubic root of 4828121813 is about 1690.1532035523.

The spelling of 4828121813 in words is "four billion, eight hundred twenty-eight million, one hundred twenty-one thousand, eight hundred thirteen".