242770120774081 has 2 divisors, whose sum is σ = 242770120774082. Its totient is φ = 242770120774080.

The previous prime is 242770120774063. The next prime is 242770120774091. The reversal of 242770120774081 is 180477021077242.

242770120774081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206041478681025 + 36728642093056 = 14354145^2 + 6060416^2 .

It is a cyclic number.

It is not a de Polignac number, because 242770120774081 - 2⁷ = 242770120773953 is a prime.

It is a super-2 number, since 2×242770120774081² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242770120774031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121385060387040 + 121385060387041.

It is an arithmetic number, because the mean of its divisors is an integer number (121385060387041).

Almost surely, 2^{242770120774081} is an apocalyptic number.

It is an amenable number.

242770120774081 is a deficient number, since it is larger than the sum of its proper divisors (1).

242770120774081 is an equidigital number, since it uses as much as digits as its factorization.

242770120774081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2458624, while the sum is 52.

The spelling of 242770120774081 in words is "two hundred forty-two trillion, seven hundred seventy billion, one hundred twenty million, seven hundred seventy-four thousand, eighty-one".