24012421009 has 2 divisors, whose sum is σ = 24012421010. Its totient is φ = 24012421008.

The previous prime is 24012421007. The next prime is 24012421019. The reversal of 24012421009 is 90012421042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13948318609 + 10064102400 = 118103^2 + 100320^2 .

It is a cyclic number.

It is not a de Polignac number, because 24012421009 - 2¹ = 24012421007 is a prime.

Together with 24012421007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (24012421007) 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, 12006210504 + 12006210505.

It is an arithmetic number, because the mean of its divisors is an integer number (12006210505).

Almost surely, 2^24012421009 is an apocalyptic number.

It is an amenable number.

24012421009 is a deficient number, since it is larger than the sum of its proper divisors (1).

24012421009 is an equidigital number, since it uses as much as digits as its factorization.

24012421009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 24012421009 in words is "twenty-four billion, twelve million, four hundred twenty-one thousand, nine".