243433203229 has 2 divisors, whose sum is σ = 243433203230. Its totient is φ = 243433203228.

The previous prime is 243433203217. The next prime is 243433203253. The reversal of 243433203229 is 922302334342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203399196004 + 40034007225 = 450998^2 + 200085^2 .

It is a cyclic number.

It is not a de Polignac number, because 243433203229 - 2⁹ = 243433202717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243433203329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121716601614 + 121716601615.

It is an arithmetic number, because the mean of its divisors is an integer number (121716601615).

Almost surely, 2^243433203229 is an apocalyptic number.

It is an amenable number.

243433203229 is a deficient number, since it is larger than the sum of its proper divisors (1).

243433203229 is an equidigital number, since it uses as much as digits as its factorization.

243433203229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 37.

The spelling of 243433203229 in words is "two hundred forty-three billion, four hundred thirty-three million, two hundred three thousand, two hundred twenty-nine".