24221012239 has 2 divisors, whose sum is σ = 24221012240. Its totient is φ = 24221012238.

The previous prime is 24221012237. The next prime is 24221012279. The reversal of 24221012239 is 93221012242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24221012239 - 2¹ = 24221012237 is a prime.

Together with 24221012237, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24221012237) 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, 12110506119 + 12110506120.

It is an arithmetic number, because the mean of its divisors is an integer number (12110506120).

Almost surely, 2^24221012239 is an apocalyptic number.

24221012239 is a deficient number, since it is larger than the sum of its proper divisors (1).

24221012239 is an equidigital number, since it uses as much as digits as its factorization.

24221012239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 24221012239 in words is "twenty-four billion, two hundred twenty-one million, twelve thousand, two hundred thirty-nine".