426003426917 has 2 divisors, whose sum is σ = 426003426918. Its totient is φ = 426003426916.

The previous prime is 426003426911. The next prime is 426003426929. The reversal of 426003426917 is 719624300624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342615891556 + 83387535361 = 585334^2 + 288769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426003426917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426003426911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213001713458 + 213001713459.

It is an arithmetic number, because the mean of its divisors is an integer number (213001713459).

Almost surely, 2^426003426917 is an apocalyptic number.

It is an amenable number.

426003426917 is a deficient number, since it is larger than the sum of its proper divisors (1).

426003426917 is an equidigital number, since it uses as much as digits as its factorization.

426003426917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 426003426917 in words is "four hundred twenty-six billion, three million, four hundred twenty-six thousand, nine hundred seventeen".