243148352536279 has 2 divisors, whose sum is σ = 243148352536280. Its totient is φ = 243148352536278.

The previous prime is 243148352536241. The next prime is 243148352536289. The reversal of 243148352536279 is 972635253841342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243148352536279 - 2¹⁹ = 243148352011991 is a prime.

It is a super-2 number, since 2×243148352536279² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243148352536279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243148352536289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121574176268139 + 121574176268140.

It is an arithmetic number, because the mean of its divisors is an integer number (121574176268140).

Almost surely, 2^{243148352536279} is an apocalyptic number.

243148352536279 is a deficient number, since it is larger than the sum of its proper divisors (1).

243148352536279 is an equidigital number, since it uses as much as digits as its factorization.

243148352536279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 261273600, while the sum is 64.

The spelling of 243148352536279 in words is "two hundred forty-three trillion, one hundred forty-eight billion, three hundred fifty-two million, five hundred thirty-six thousand, two hundred seventy-nine".