243421151159 has 2 divisors, whose sum is σ = 243421151160. Its totient is φ = 243421151158.

The previous prime is 243421151093. The next prime is 243421151173. The reversal of 243421151159 is 951151124342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243421151159 - 2¹² = 243421147063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243421151189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121710575579 + 121710575580.

It is an arithmetic number, because the mean of its divisors is an integer number (121710575580).

Almost surely, 2^243421151159 is an apocalyptic number.

243421151159 is a deficient number, since it is larger than the sum of its proper divisors (1).

243421151159 is an equidigital number, since it uses as much as digits as its factorization.

243421151159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 38.

The spelling of 243421151159 in words is "two hundred forty-three billion, four hundred twenty-one million, one hundred fifty-one thousand, one hundred fifty-nine".