242342502977 has 2 divisors, whose sum is σ = 242342502978. Its totient is φ = 242342502976.

The previous prime is 242342502893. The next prime is 242342503003. The reversal of 242342502977 is 779205243242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239777688241 + 2564814736 = 489671^2 + 50644^2 .

It is a cyclic number.

It is not a de Polignac number, because 242342502977 - 2²² = 242338308673 is a prime.

It is not a weakly prime, because it can be changed into another prime (242342592977) 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, 121171251488 + 121171251489.

It is an arithmetic number, because the mean of its divisors is an integer number (121171251489).

Almost surely, 2^242342502977 is an apocalyptic number.

It is an amenable number.

242342502977 is a deficient number, since it is larger than the sum of its proper divisors (1).

242342502977 is an equidigital number, since it uses as much as digits as its factorization.

242342502977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 242342502977 in words is "two hundred forty-two billion, three hundred forty-two million, five hundred two thousand, nine hundred seventy-seven".