243435052520029 has 2 divisors, whose sum is σ = 243435052520030. Its totient is φ = 243435052520028.

The previous prime is 243435052519999. The next prime is 243435052520063. The reversal of 243435052520029 is 920025250534342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183204616796100 + 60230435723929 = 13535310^2 + 7760827^2 .

It is a cyclic number.

It is not a de Polignac number, because 243435052520029 - 2⁹ = 243435052519517 is a prime.

It is a super-5 number, since 5×243435052520029⁵ (a number of 73 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243435050520029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121717526260014 + 121717526260015.

It is an arithmetic number, because the mean of its divisors is an integer number (121717526260015).

Almost surely, 2^{243435052520029} is an apocalyptic number.

It is an amenable number.

243435052520029 is a deficient number, since it is larger than the sum of its proper divisors (1).

243435052520029 is an equidigital number, since it uses as much as digits as its factorization.

243435052520029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 243435052520029 in words is "two hundred forty-three trillion, four hundred thirty-five billion, fifty-two million, five hundred twenty thousand, twenty-nine".