243929235271 has 2 divisors, whose sum is σ = 243929235272. Its totient is φ = 243929235270.

The previous prime is 243929235211. The next prime is 243929235349. The reversal of 243929235271 is 172532929342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243929235271 - 2²⁹ = 243392364359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243929235211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121964617635 + 121964617636.

It is an arithmetic number, because the mean of its divisors is an integer number (121964617636).

Almost surely, 2^243929235271 is an apocalyptic number.

243929235271 is a deficient number, since it is larger than the sum of its proper divisors (1).

243929235271 is an equidigital number, since it uses as much as digits as its factorization.

243929235271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 49.

The spelling of 243929235271 in words is "two hundred forty-three billion, nine hundred twenty-nine million, two hundred thirty-five thousand, two hundred seventy-one".