243432574829 has 2 divisors, whose sum is σ = 243432574830. Its totient is φ = 243432574828.

The previous prime is 243432574783. The next prime is 243432574841. The reversal of 243432574829 is 928475234342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127967175625 + 115465399204 = 357725^2 + 339802^2 .

It is a cyclic number.

It is not a de Polignac number, because 243432574829 - 2²⁰ = 243431526253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243432504829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121716287414 + 121716287415.

It is an arithmetic number, because the mean of its divisors is an integer number (121716287415).

Almost surely, 2^243432574829 is an apocalyptic number.

It is an amenable number.

243432574829 is a deficient number, since it is larger than the sum of its proper divisors (1).

243432574829 is an equidigital number, since it uses as much as digits as its factorization.

243432574829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11612160, while the sum is 53.

The spelling of 243432574829 in words is "two hundred forty-three billion, four hundred thirty-two million, five hundred seventy-four thousand, eight hundred twenty-nine".