243124004419 has 2 divisors, whose sum is σ = 243124004420. Its totient is φ = 243124004418.

The previous prime is 243124004371. The next prime is 243124004441. The reversal of 243124004419 is 914400421342.

243124004419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243124004419 - 2²¹ = 243121907267 is a prime.

It is a super-2 number, since 2×243124004419² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243124004449) 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, 121562002209 + 121562002210.

It is an arithmetic number, because the mean of its divisors is an integer number (121562002210).

Almost surely, 2^243124004419 is an apocalyptic number.

243124004419 is a deficient number, since it is larger than the sum of its proper divisors (1).

243124004419 is an equidigital number, since it uses as much as digits as its factorization.

243124004419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 243124004419 in words is "two hundred forty-three billion, one hundred twenty-four million, four thousand, four hundred nineteen".