243400010419 has 2 divisors, whose sum is σ = 243400010420. Its totient is φ = 243400010418.

The previous prime is 243400010401. The next prime is 243400010429. The reversal of 243400010419 is 914010004342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243400010419 - 2¹⁷ = 243399879347 is a prime.

It is a super-2 number, since 2×243400010419² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243400010429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121700005209 + 121700005210.

It is an arithmetic number, because the mean of its divisors is an integer number (121700005210).

Almost surely, 2^243400010419 is an apocalyptic number.

243400010419 is a deficient number, since it is larger than the sum of its proper divisors (1).

243400010419 is an equidigital number, since it uses as much as digits as its factorization.

243400010419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 243400010419 in words is "two hundred forty-three billion, four hundred million, ten thousand, four hundred nineteen".