243152113535533 has 2 divisors, whose sum is σ = 243152113535534. Its totient is φ = 243152113535532.

The previous prime is 243152113535519. The next prime is 243152113535543. The reversal of 243152113535533 is 335535311251342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145519177775689 + 97632935759844 = 12063133^2 + 9880938^2 .

It is a cyclic number.

It is not a de Polignac number, because 243152113535533 - 2⁴¹ = 240953090279981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243152113535543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121576056767766 + 121576056767767.

It is an arithmetic number, because the mean of its divisors is an integer number (121576056767767).

Almost surely, 2^{243152113535533} is an apocalyptic number.

It is an amenable number.

243152113535533 is a deficient number, since it is larger than the sum of its proper divisors (1).

243152113535533 is an equidigital number, since it uses as much as digits as its factorization.

243152113535533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430000, while the sum is 46.

Adding to 243152113535533 its reverse (335535311251342), we get a palindrome (578687424786875).

The spelling of 243152113535533 in words is "two hundred forty-three trillion, one hundred fifty-two billion, one hundred thirteen million, five hundred thirty-five thousand, five hundred thirty-three".