242402234342449 has 2 divisors, whose sum is σ = 242402234342450. Its totient is φ = 242402234342448.

The previous prime is 242402234342419. The next prime is 242402234342467. The reversal of 242402234342449 is 944243432204242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163570210354849 + 78832023987600 = 12789457^2 + 8878740^2 .

It is a cyclic number.

It is not a de Polignac number, because 242402234342449 - 2¹³ = 242402234334257 is a prime.

It is a super-2 number, since 2×242402234342449² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242402234342419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121201117171224 + 121201117171225.

It is an arithmetic number, because the mean of its divisors is an integer number (121201117171225).

Almost surely, 2^{242402234342449} is an apocalyptic number.

It is an amenable number.

242402234342449 is a deficient number, since it is larger than the sum of its proper divisors (1).

242402234342449 is an equidigital number, since it uses as much as digits as its factorization.

242402234342449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10616832, while the sum is 49.

The spelling of 242402234342449 in words is "two hundred forty-two trillion, four hundred two billion, two hundred thirty-four million, three hundred forty-two thousand, four hundred forty-nine".