242770120174081 has 2 divisors, whose sum is σ = 242770120174082. Its totient is φ = 242770120174080.

The previous prime is 242770120174039. The next prime is 242770120174093. The reversal of 242770120174081 is 180471021077242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164096484300225 + 78673635873856 = 12810015^2 + 8869816^2 .

It is a cyclic number.

It is not a de Polignac number, because 242770120174081 - 2¹¹ = 242770120172033 is a prime.

It is a super-2 number, since 2×242770120174081² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242770120774081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121385060087040 + 121385060087041.

It is an arithmetic number, because the mean of its divisors is an integer number (121385060087041).

Almost surely, 2^{242770120174081} is an apocalyptic number.

It is an amenable number.

242770120174081 is a deficient number, since it is larger than the sum of its proper divisors (1).

242770120174081 is an equidigital number, since it uses as much as digits as its factorization.

242770120174081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 351232, while the sum is 46.

The spelling of 242770120174081 in words is "two hundred forty-two trillion, seven hundred seventy billion, one hundred twenty million, one hundred seventy-four thousand, eighty-one".