242047493249 has 2 divisors, whose sum is σ = 242047493250. Its totient is φ = 242047493248.

The previous prime is 242047493239. The next prime is 242047493293. The reversal of 242047493249 is 942394740242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208786852624 + 33260640625 = 456932^2 + 182375^2 .

It is a cyclic number.

It is not a de Polignac number, because 242047493249 - 2¹² = 242047489153 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 242047493197 and 242047493206.

It is not a weakly prime, because it can be changed into another prime (242047493239) 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, 121023746624 + 121023746625.

It is an arithmetic number, because the mean of its divisors is an integer number (121023746625).

Almost surely, 2^242047493249 is an apocalyptic number.

It is an amenable number.

242047493249 is a deficient number, since it is larger than the sum of its proper divisors (1).

242047493249 is an equidigital number, since it uses as much as digits as its factorization.

242047493249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 50.

The spelling of 242047493249 in words is "two hundred forty-two billion, forty-seven million, four hundred ninety-three thousand, two hundred forty-nine".