243401413219 has 2 divisors, whose sum is σ = 243401413220. Its totient is φ = 243401413218.

The previous prime is 243401413207. The next prime is 243401413351. The reversal of 243401413219 is 912314104342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243401413219 - 2³⁷ = 105962459747 is a prime.

It is a super-2 number, since 2×243401413219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243401413019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121700706609 + 121700706610.

It is an arithmetic number, because the mean of its divisors is an integer number (121700706610).

Almost surely, 2^243401413219 is an apocalyptic number.

243401413219 is a deficient number, since it is larger than the sum of its proper divisors (1).

243401413219 is an equidigital number, since it uses as much as digits as its factorization.

243401413219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 243401413219 in words is "two hundred forty-three billion, four hundred one million, four hundred thirteen thousand, two hundred nineteen".