243422142419 has 2 divisors, whose sum is σ = 243422142420. Its totient is φ = 243422142418.

The previous prime is 243422142389. The next prime is 243422142461. The reversal of 243422142419 is 914241224342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243422142419 - 2²⁰ = 243421093843 is a prime.

It is a super-2 number, since 2×243422142419² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243422144419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121711071209 + 121711071210.

It is an arithmetic number, because the mean of its divisors is an integer number (121711071210).

Almost surely, 2^243422142419 is an apocalyptic number.

243422142419 is a deficient number, since it is larger than the sum of its proper divisors (1).

243422142419 is an equidigital number, since it uses as much as digits as its factorization.

243422142419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 38.

The spelling of 243422142419 in words is "two hundred forty-three billion, four hundred twenty-two million, one hundred forty-two thousand, four hundred nineteen".