242047493377 has 2 divisors, whose sum is σ = 242047493378. Its totient is φ = 242047493376.

The previous prime is 242047493371. The next prime is 242047493423. The reversal of 242047493377 is 773394740242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128084536321 + 113962957056 = 357889^2 + 337584^2 .

It is a cyclic number.

It is not a de Polignac number, because 242047493377 - 2⁷ = 242047493249 is a prime.

It is not a weakly prime, because it can be changed into another prime (242047493371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121023746688 + 121023746689.

It is an arithmetic number, because the mean of its divisors is an integer number (121023746689).

Almost surely, 2^242047493377 is an apocalyptic number.

It is an amenable number.

242047493377 is a deficient number, since it is larger than the sum of its proper divisors (1).

242047493377 is an equidigital number, since it uses as much as digits as its factorization.

242047493377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7112448, while the sum is 52.

The spelling of 242047493377 in words is "two hundred forty-two billion, forty-seven million, four hundred ninety-three thousand, three hundred seventy-seven".