243054379333 has 2 divisors, whose sum is σ = 243054379334. Its totient is φ = 243054379332.

The previous prime is 243054379291. The next prime is 243054379339. The reversal of 243054379333 is 333973450342.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242199811044 + 854568289 = 492138^2 + 29233^2 .

It is a cyclic number.

It is not a de Polignac number, because 243054379333 - 2³³ = 234464444741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243054379339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121527189666 + 121527189667.

It is an arithmetic number, because the mean of its divisors is an integer number (121527189667).

Almost surely, 2^243054379333 is an apocalyptic number.

It is an amenable number.

243054379333 is a deficient number, since it is larger than the sum of its proper divisors (1).

243054379333 is an equidigital number, since it uses as much as digits as its factorization.

243054379333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 46.

The spelling of 243054379333 in words is "two hundred forty-three billion, fifty-four million, three hundred seventy-nine thousand, three hundred thirty-three".