242540343007 has 2 divisors, whose sum is σ = 242540343008. Its totient is φ = 242540343006.

The previous prime is 242540342959. The next prime is 242540343029. The reversal of 242540343007 is 700343045242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242540343007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242540313007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121270171503 + 121270171504.

It is an arithmetic number, because the mean of its divisors is an integer number (121270171504).

Almost surely, 2^242540343007 is an apocalyptic number.

242540343007 is a deficient number, since it is larger than the sum of its proper divisors (1).

242540343007 is an equidigital number, since it uses as much as digits as its factorization.

242540343007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 34.

Adding to 242540343007 its reverse (700343045242), we get a palindrome (942883388249).

The spelling of 242540343007 in words is "two hundred forty-two billion, five hundred forty million, three hundred forty-three thousand, seven".