242119809787 has 2 divisors, whose sum is σ = 242119809788. Its totient is φ = 242119809786.

The previous prime is 242119809719. The next prime is 242119809797. The reversal of 242119809787 is 787908911242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242119809787 - 2¹¹ = 242119807739 is a prime.

It is not a weakly prime, because it can be changed into another prime (242119809797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121059904893 + 121059904894.

It is an arithmetic number, because the mean of its divisors is an integer number (121059904894).

Almost surely, 2^242119809787 is an apocalyptic number.

242119809787 is a deficient number, since it is larger than the sum of its proper divisors (1).

242119809787 is an equidigital number, since it uses as much as digits as its factorization.

242119809787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 58.

The spelling of 242119809787 in words is "two hundred forty-two billion, one hundred nineteen million, eight hundred nine thousand, seven hundred eighty-seven".