242673405019 has 2 divisors, whose sum is σ = 242673405020. Its totient is φ = 242673405018.

The previous prime is 242673404977. The next prime is 242673405059. The reversal of 242673405019 is 910504376242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242673405019 - 2¹⁹ = 242672880731 is a prime.

It is a super-2 number, since 2×242673405019² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242673405059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121336702509 + 121336702510.

It is an arithmetic number, because the mean of its divisors is an integer number (121336702510).

Almost surely, 2^242673405019 is an apocalyptic number.

242673405019 is a deficient number, since it is larger than the sum of its proper divisors (1).

242673405019 is an equidigital number, since it uses as much as digits as its factorization.

242673405019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 242673405019 in words is "two hundred forty-two billion, six hundred seventy-three million, four hundred five thousand, nineteen".