242436634247 has 2 divisors, whose sum is σ = 242436634248. Its totient is φ = 242436634246.

The previous prime is 242436634241. The next prime is 242436634277. The reversal of 242436634247 is 742436634242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242436634247 - 2⁶ = 242436634183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242436634241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121218317123 + 121218317124.

It is an arithmetic number, because the mean of its divisors is an integer number (121218317124).

Almost surely, 2^242436634247 is an apocalyptic number.

242436634247 is a deficient number, since it is larger than the sum of its proper divisors (1).

242436634247 is an equidigital number, since it uses as much as digits as its factorization.

242436634247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4644864, while the sum is 47.

The spelling of 242436634247 in words is "two hundred forty-two billion, four hundred thirty-six million, six hundred thirty-four thousand, two hundred forty-seven".