242776730148233 has 2 divisors, whose sum is σ = 242776730148234. Its totient is φ = 242776730148232.

The previous prime is 242776730148217. The next prime is 242776730148241. The reversal of 242776730148233 is 332841037677242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125422147835209 + 117354582313024 = 11199203^2 + 10833032^2 .

It is a cyclic number.

It is not a de Polignac number, because 242776730148233 - 2⁴ = 242776730148217 is a prime.

It is not a weakly prime, because it can be changed into another prime (242776730145233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121388365074116 + 121388365074117.

It is an arithmetic number, because the mean of its divisors is an integer number (121388365074117).

Almost surely, 2^{242776730148233} is an apocalyptic number.

It is an amenable number.

242776730148233 is a deficient number, since it is larger than the sum of its proper divisors (1).

242776730148233 is an equidigital number, since it uses as much as digits as its factorization.

242776730148233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56899584, while the sum is 59.

The spelling of 242776730148233 in words is "two hundred forty-two trillion, seven hundred seventy-six billion, seven hundred thirty million, one hundred forty-eight thousand, two hundred thirty-three".