243100425559 has 2 divisors, whose sum is σ = 243100425560. Its totient is φ = 243100425558.

The previous prime is 243100425551. The next prime is 243100425563. The reversal of 243100425559 is 955524001342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243100425559 - 2³ = 243100425551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243100425551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121550212779 + 121550212780.

It is an arithmetic number, because the mean of its divisors is an integer number (121550212780).

Almost surely, 2^243100425559 is an apocalyptic number.

243100425559 is a deficient number, since it is larger than the sum of its proper divisors (1).

243100425559 is an equidigital number, since it uses as much as digits as its factorization.

243100425559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 243100425559 in words is "two hundred forty-three billion, one hundred million, four hundred twenty-five thousand, five hundred fifty-nine".