242421045019 has 2 divisors, whose sum is σ = 242421045020. Its totient is φ = 242421045018.

The previous prime is 242421044963. The next prime is 242421045047. The reversal of 242421045019 is 910540124242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242421045019 - 2¹¹ = 242421042971 is a prime.

It is a super-2 number, since 2×242421045019² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242427045019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121210522509 + 121210522510.

It is an arithmetic number, because the mean of its divisors is an integer number (121210522510).

Almost surely, 2^242421045019 is an apocalyptic number.

242421045019 is a deficient number, since it is larger than the sum of its proper divisors (1).

242421045019 is an equidigital number, since it uses as much as digits as its factorization.

242421045019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 242421045019 in words is "two hundred forty-two billion, four hundred twenty-one million, forty-five thousand, nineteen".