242633821259 has 2 divisors, whose sum is σ = 242633821260. Its totient is φ = 242633821258.

The previous prime is 242633821253. The next prime is 242633821273. The reversal of 242633821259 is 952128336242.

242633821259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242633821259 - 2³⁶ = 173914344523 is a prime.

It is not a weakly prime, because it can be changed into another prime (242633821253) 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, 121316910629 + 121316910630.

It is an arithmetic number, because the mean of its divisors is an integer number (121316910630).

Almost surely, 2^242633821259 is an apocalyptic number.

242633821259 is a deficient number, since it is larger than the sum of its proper divisors (1).

242633821259 is an equidigital number, since it uses as much as digits as its factorization.

242633821259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 47.

The spelling of 242633821259 in words is "two hundred forty-two billion, six hundred thirty-three million, eight hundred twenty-one thousand, two hundred fifty-nine".