242633821249 has 2 divisors, whose sum is σ = 242633821250. Its totient is φ = 242633821248.

The previous prime is 242633821217. The next prime is 242633821253. The reversal of 242633821249 is 942128336242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214466241025 + 28167580224 = 463105^2 + 167832^2 .

It is a cyclic number.

It is not a de Polignac number, because 242633821249 - 2⁵ = 242633821217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242633821199 and 242633821208.

It is not a weakly prime, because it can be changed into another prime (242633821259) 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, 121316910624 + 121316910625.

It is an arithmetic number, because the mean of its divisors is an integer number (121316910625).

Almost surely, 2^242633821249 is an apocalyptic number.

It is an amenable number.

242633821249 is a deficient number, since it is larger than the sum of its proper divisors (1).

242633821249 is an equidigital number, since it uses as much as digits as its factorization.

242633821249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 46.

The spelling of 242633821249 in words is "two hundred forty-two billion, six hundred thirty-three million, eight hundred twenty-one thousand, two hundred forty-nine".