2434304021 has 2 divisors, whose sum is σ = 2434304022. Its totient is φ = 2434304020.

The previous prime is 2434304009. The next prime is 2434304071. The reversal of 2434304021 is 1204034342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1970116996 + 464187025 = 44386^2 + 21545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2434304021 - 2¹⁸ = 2434041877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2434304071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1217152010 + 1217152011.

It is an arithmetic number, because the mean of its divisors is an integer number (1217152011).

Almost surely, 2^2434304021 is an apocalyptic number.

It is an amenable number.

2434304021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2434304021 is an equidigital number, since it uses as much as digits as its factorization.

2434304021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2434304021 is about 49338.6665912244. Note that the first 3 decimals coincide. The cubic root of 2434304021 is about 1345.2147031296.

Adding to 2434304021 its reverse (1204034342), we get a palindrome (3638338363).

The spelling of 2434304021 in words is "two billion, four hundred thirty-four million, three hundred four thousand, twenty-one".