243104213293 has 2 divisors, whose sum is σ = 243104213294. Its totient is φ = 243104213292.

The previous prime is 243104213257. The next prime is 243104213299. The reversal of 243104213293 is 392312401342.

243104213293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239069168809 + 4035044484 = 488947^2 + 63522^2 .

It is a cyclic number.

It is not a de Polignac number, because 243104213293 - 2²⁵ = 243070658861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243104213299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121552106646 + 121552106647.

It is an arithmetic number, because the mean of its divisors is an integer number (121552106647).

Almost surely, 2^243104213293 is an apocalyptic number.

It is an amenable number.

243104213293 is a deficient number, since it is larger than the sum of its proper divisors (1).

243104213293 is an equidigital number, since it uses as much as digits as its factorization.

243104213293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 243104213293 in words is "two hundred forty-three billion, one hundred four million, two hundred thirteen thousand, two hundred ninety-three".