242836668047 has 2 divisors, whose sum is σ = 242836668048. Its totient is φ = 242836668046.

The previous prime is 242836668043. The next prime is 242836668049. The reversal of 242836668047 is 740866638242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242836668047 - 2² = 242836668043 is a prime.

Together with 242836668049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 242836667983 and 242836668001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242836668043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121418334023 + 121418334024.

It is an arithmetic number, because the mean of its divisors is an integer number (121418334024).

Almost surely, 2^242836668047 is an apocalyptic number.

242836668047 is a deficient number, since it is larger than the sum of its proper divisors (1).

242836668047 is an equidigital number, since it uses as much as digits as its factorization.

242836668047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18579456, while the sum is 56.

The spelling of 242836668047 in words is "two hundred forty-two billion, eight hundred thirty-six million, six hundred sixty-eight thousand, forty-seven".