242835516457 has 2 divisors, whose sum is σ = 242835516458. Its totient is φ = 242835516456.

The previous prime is 242835516433. The next prime is 242835516493. The reversal of 242835516457 is 754615538242.

242835516457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242099425296 + 736091161 = 492036^2 + 27131^2 .

It is a cyclic number.

It is not a de Polignac number, because 242835516457 - 2³⁵ = 208475778089 is a prime.

It is not a weakly prime, because it can be changed into another prime (242835526457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121417758228 + 121417758229.

It is an arithmetic number, because the mean of its divisors is an integer number (121417758229).

Almost surely, 2^242835516457 is an apocalyptic number.

It is an amenable number.

242835516457 is a deficient number, since it is larger than the sum of its proper divisors (1).

242835516457 is an equidigital number, since it uses as much as digits as its factorization.

242835516457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064000, while the sum is 52.

The spelling of 242835516457 in words is "two hundred forty-two billion, eight hundred thirty-five million, five hundred sixteen thousand, four hundred fifty-seven".