2421243424 has 12 divisors (see below), whose sum is σ = 4766823054. Its totient is φ = 1210621696.

The previous prime is 2421243403. The next prime is 2421243431. The reversal of 2421243424 is 4243421242.

It can be written as a sum of positive squares in only one way, i.e., 2413953424 + 7290000 = 49132^2 + 2700^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2421243392 and 2421243401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37831897 + ... + 37831960.

Almost surely, 2^2421243424 is an apocalyptic number.

It is an amenable number.

2421243424 is a deficient number, since it is larger than the sum of its proper divisors (2345579630).

2421243424 is an equidigital number, since it uses as much as digits as its factorization.

2421243424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75663867 (or 75663859 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 2421243424 is about 49206.1319755983. The cubic root of 2421243424 is about 1342.8045930157.

Adding to 2421243424 its reverse (4243421242), we get a palindrome (6664664666).

The spelling of 2421243424 in words is "two billion, four hundred twenty-one million, two hundred forty-three thousand, four hundred twenty-four".