243550353453434 has 8 divisors (see below), whose sum is σ = 365326339898100. Its totient is φ = 121774906820736.

The previous prime is 243550353453431. The next prime is 243550353453439. The reversal of 243550353453434 is 434354353055342.

It can be written as a sum of positive squares in 2 ways, for example, as 226332376656409 + 17217976797025 = 15044347^2 + 4149455^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×243550353453434³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (243550353453431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133823159 + ... + 135630890.

Almost surely, 2^{243550353453434} is an apocalyptic number.

243550353453434 is a deficient number, since it is larger than the sum of its proper divisors (121775986444666).

243550353453434 is a wasteful number, since it uses less digits than its factorization.

243550353453434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269905984.

The product of its (nonzero) digits is 77760000, while the sum is 53.

The spelling of 243550353453434 in words is "two hundred forty-three trillion, five hundred fifty billion, three hundred fifty-three million, four hundred fifty-three thousand, four hundred thirty-four".