24643384243 has 2 divisors, whose sum is σ = 24643384244. Its totient is φ = 24643384242.

The previous prime is 24643384219. The next prime is 24643384279. The reversal of 24643384243 is 34248334642.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24643384243 - 2⁵ = 24643384211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24643384243.

It is not a weakly prime, because it can be changed into another prime (24643384343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12321692121 + 12321692122.

It is an arithmetic number, because the mean of its divisors is an integer number (12321692122).

Almost surely, 2^24643384243 is an apocalyptic number.

24643384243 is a deficient number, since it is larger than the sum of its proper divisors (1).

24643384243 is an equidigital number, since it uses as much as digits as its factorization.

24643384243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 43.

The spelling of 24643384243 in words is "twenty-four billion, six hundred forty-three million, three hundred eighty-four thousand, two hundred forty-three".