243325055579 has 2 divisors, whose sum is σ = 243325055580. Its totient is φ = 243325055578.

The previous prime is 243325055471. The next prime is 243325055629. The reversal of 243325055579 is 975550523342.

It is an a-pointer prime, because the next prime (243325055629) can be obtained adding 243325055579 to its sum of digits (50).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243325055579 - 2²⁴ = 243308278363 is a prime.

It is not a weakly prime, because it can be changed into another prime (243325015579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121662527789 + 121662527790.

It is an arithmetic number, because the mean of its divisors is an integer number (121662527790).

Almost surely, 2^243325055579 is an apocalyptic number.

243325055579 is a deficient number, since it is larger than the sum of its proper divisors (1).

243325055579 is an equidigital number, since it uses as much as digits as its factorization.

243325055579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670000, while the sum is 50.

The spelling of 243325055579 in words is "two hundred forty-three billion, three hundred twenty-five million, fifty-five thousand, five hundred seventy-nine".