242117603447 has 2 divisors, whose sum is σ = 242117603448. Its totient is φ = 242117603446.

The previous prime is 242117603423. The next prime is 242117603599. The reversal of 242117603447 is 744306711242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242117603447 - 2⁸ = 242117603191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242117683447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121058801723 + 121058801724.

It is an arithmetic number, because the mean of its divisors is an integer number (121058801724).

Almost surely, 2^242117603447 is an apocalyptic number.

242117603447 is a deficient number, since it is larger than the sum of its proper divisors (1).

242117603447 is an equidigital number, since it uses as much as digits as its factorization.

242117603447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 242117603447 in words is "two hundred forty-two billion, one hundred seventeen million, six hundred three thousand, four hundred forty-seven".