242237458417 has 2 divisors, whose sum is σ = 242237458418. Its totient is φ = 242237458416.

The previous prime is 242237458409. The next prime is 242237458433. The reversal of 242237458417 is 714854732242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136143288576 + 106094169841 = 368976^2 + 325721^2 .

It is a cyclic number.

It is not a de Polignac number, because 242237458417 - 2³ = 242237458409 is a prime.

It is not a weakly prime, because it can be changed into another prime (242237408417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121118729208 + 121118729209.

It is an arithmetic number, because the mean of its divisors is an integer number (121118729209).

Almost surely, 2^242237458417 is an apocalyptic number.

It is an amenable number.

242237458417 is a deficient number, since it is larger than the sum of its proper divisors (1).

242237458417 is an equidigital number, since it uses as much as digits as its factorization.

242237458417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3010560, while the sum is 49.

The spelling of 242237458417 in words is "two hundred forty-two billion, two hundred thirty-seven million, four hundred fifty-eight thousand, four hundred seventeen".