426742542011249 has 2 divisors, whose sum is σ = 426742542011250. Its totient is φ = 426742542011248.

The previous prime is 426742542011207. The next prime is 426742542011377. The reversal of 426742542011249 is 942110245247624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 409169678011249 + 17572864000000 = 20227943^2 + 4192000^2 .

It is a cyclic number.

It is not a de Polignac number, because 426742542011249 - 2⁴⁸ = 145267565300593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426742542011249.

It is not a weakly prime, because it can be changed into another prime (426742542011549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213371271005624 + 213371271005625.

It is an arithmetic number, because the mean of its divisors is an integer number (213371271005625).

Almost surely, 2^{426742542011249} is an apocalyptic number.

It is an amenable number.

426742542011249 is a deficient number, since it is larger than the sum of its proper divisors (1).

426742542011249 is an equidigital number, since it uses as much as digits as its factorization.

426742542011249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 426742542011249 in words is "four hundred twenty-six trillion, seven hundred forty-two billion, five hundred forty-two million, eleven thousand, two hundred forty-nine".