242004238649 has 2 divisors, whose sum is σ = 242004238650. Its totient is φ = 242004238648.

The previous prime is 242004238631. The next prime is 242004238717. The reversal of 242004238649 is 946832400242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135245211049 + 106759027600 = 367757^2 + 326740^2 .

It is a cyclic number.

It is not a de Polignac number, because 242004238649 - 2¹⁶ = 242004173113 is a prime.

It is not a weakly prime, because it can be changed into another prime (242004238549) 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, 121002119324 + 121002119325.

It is an arithmetic number, because the mean of its divisors is an integer number (121002119325).

Almost surely, 2^242004238649 is an apocalyptic number.

It is an amenable number.

242004238649 is a deficient number, since it is larger than the sum of its proper divisors (1).

242004238649 is an equidigital number, since it uses as much as digits as its factorization.

242004238649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 242004238649 in words is "two hundred forty-two billion, four million, two hundred thirty-eight thousand, six hundred forty-nine".