426743573 has 2 divisors, whose sum is σ = 426743574. Its totient is φ = 426743572.

The previous prime is 426743531. The next prime is 426743627. The reversal of 426743573 is 375347624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319765924 + 106977649 = 17882^2 + 10343^2 .

It is a cyclic number.

It is not a de Polignac number, because 426743573 - 2¹⁰ = 426742549 is a prime.

It is a super-2 number, since 2×426743573² = 364220154193612658, which contains 22 as substring.

It is equal to p_22684298 and since 426743573 and 22684298 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426743573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426763573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213371786 + 213371787.

It is an arithmetic number, because the mean of its divisors is an integer number (213371787).

Almost surely, 2^426743573 is an apocalyptic number.

It is an amenable number.

426743573 is a deficient number, since it is larger than the sum of its proper divisors (1).

426743573 is an equidigital number, since it uses as much as digits as its factorization.

426743573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 41.

The square root of 426743573 is about 20657.7727018186. The cubic root of 426743573 is about 752.8740526565.

The spelling of 426743573 in words is "four hundred twenty-six million, seven hundred forty-three thousand, five hundred seventy-three".