2484401021 has 2 divisors, whose sum is σ = 2484401022. Its totient is φ = 2484401020.

The previous prime is 2484401009. The next prime is 2484401053. The reversal of 2484401021 is 1201044842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2473968121 + 10432900 = 49739^2 + 3230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2484401021 - 2¹⁰ = 2484399997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2484401321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242200510 + 1242200511.

It is an arithmetic number, because the mean of its divisors is an integer number (1242200511).

Almost surely, 2^2484401021 is an apocalyptic number.

It is an amenable number.

2484401021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2484401021 is an equidigital number, since it uses as much as digits as its factorization.

2484401021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 2484401021 is about 49843.7661197466. The cubic root of 2484401021 is about 1354.3801072412.

Adding to 2484401021 its reverse (1201044842), we get a palindrome (3685445863).

The spelling of 2484401021 in words is "two billion, four hundred eighty-four million, four hundred one thousand, twenty-one".