426146456717 has 2 divisors, whose sum is σ = 426146456718. Its totient is φ = 426146456716.

The previous prime is 426146456611. The next prime is 426146456753. The reversal of 426146456717 is 717654641624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425663600041 + 482856676 = 652429^2 + 21974^2 .

It is a cyclic number.

It is not a de Polignac number, because 426146456717 - 2²⁴ = 426129679501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426146456117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213073228358 + 213073228359.

It is an arithmetic number, because the mean of its divisors is an integer number (213073228359).

Almost surely, 2^426146456717 is an apocalyptic number.

It is an amenable number.

426146456717 is a deficient number, since it is larger than the sum of its proper divisors (1).

426146456717 is an equidigital number, since it uses as much as digits as its factorization.

426146456717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 53.

The spelling of 426146456717 in words is "four hundred twenty-six billion, one hundred forty-six million, four hundred fifty-six thousand, seven hundred seventeen".