243106274263 has 2 divisors, whose sum is σ = 243106274264. Its totient is φ = 243106274262.

The previous prime is 243106274221. The next prime is 243106274363. The reversal of 243106274263 is 362472601342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243106274263 - 2¹³ = 243106266071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243106274363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121553137131 + 121553137132.

It is an arithmetic number, because the mean of its divisors is an integer number (121553137132).

Almost surely, 2^243106274263 is an apocalyptic number.

243106274263 is a deficient number, since it is larger than the sum of its proper divisors (1).

243106274263 is an equidigital number, since it uses as much as digits as its factorization.

243106274263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 243106274263 in words is "two hundred forty-three billion, one hundred six million, two hundred seventy-four thousand, two hundred sixty-three".