242243210249 has 2 divisors, whose sum is σ = 242243210250. Its totient is φ = 242243210248.

The previous prime is 242243210243. The next prime is 242243210273. The reversal of 242243210249 is 942012342242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242098441225 + 144769024 = 492035^2 + 12032^2 .

It is a cyclic number.

It is not a de Polignac number, because 242243210249 - 2²⁸ = 241974774793 is a prime.

It is not a weakly prime, because it can be changed into another prime (242243210243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121121605124 + 121121605125.

It is an arithmetic number, because the mean of its divisors is an integer number (121121605125).

Almost surely, 2^242243210249 is an apocalyptic number.

It is an amenable number.

242243210249 is a deficient number, since it is larger than the sum of its proper divisors (1).

242243210249 is an equidigital number, since it uses as much as digits as its factorization.

242243210249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 242243210249 in words is "two hundred forty-two billion, two hundred forty-three million, two hundred ten thousand, two hundred forty-nine".