242775754565507 has 2 divisors, whose sum is σ = 242775754565508. Its totient is φ = 242775754565506.

The previous prime is 242775754565497. The next prime is 242775754565683. The reversal of 242775754565507 is 705565457577242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242775754565507 - 2³⁸ = 242500876658563 is a prime.

It is not a weakly prime, because it can be changed into another prime (242775754565807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121387877282753 + 121387877282754.

It is an arithmetic number, because the mean of its divisors is an integer number (121387877282754).

Almost surely, 2^{242775754565507} is an apocalyptic number.

242775754565507 is a deficient number, since it is larger than the sum of its proper divisors (1).

242775754565507 is an equidigital number, since it uses as much as digits as its factorization.

242775754565507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2881200000, while the sum is 71.

The spelling of 242775754565507 in words is "two hundred forty-two trillion, seven hundred seventy-five billion, seven hundred fifty-four million, five hundred sixty-five thousand, five hundred seven".