242987348833 has 2 divisors, whose sum is σ = 242987348834. Its totient is φ = 242987348832.

The previous prime is 242987348831. The next prime is 242987348881. The reversal of 242987348833 is 338843789242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225313507584 + 17673841249 = 474672^2 + 132943^2 .

It is a cyclic number.

It is not a de Polignac number, because 242987348833 - 2¹ = 242987348831 is a prime.

Together with 242987348831, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (242987348831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121493674416 + 121493674417.

It is an arithmetic number, because the mean of its divisors is an integer number (121493674417).

Almost surely, 2^242987348833 is an apocalyptic number.

It is an amenable number.

242987348833 is a deficient number, since it is larger than the sum of its proper divisors (1).

242987348833 is an equidigital number, since it uses as much as digits as its factorization.

242987348833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55738368, while the sum is 61.

The spelling of 242987348833 in words is "two hundred forty-two billion, nine hundred eighty-seven million, three hundred forty-eight thousand, eight hundred thirty-three".