426853369 has 2 divisors, whose sum is σ = 426853370. Its totient is φ = 426853368.

The previous prime is 426853363. The next prime is 426853381. The reversal of 426853369 is 963358624.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302307769 + 124545600 = 17387^2 + 11160^2 .

It is a cyclic number.

It is not a de Polignac number, because 426853369 - 2¹⁵ = 426820601 is a prime.

It is a super-3 number, since 3×426853369³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (426853363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213426684 + 213426685.

It is an arithmetic number, because the mean of its divisors is an integer number (213426685).

Almost surely, 2^426853369 is an apocalyptic number.

It is an amenable number.

426853369 is a deficient number, since it is larger than the sum of its proper divisors (1).

426853369 is an equidigital number, since it uses as much as digits as its factorization.

426853369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 46.

The square root of 426853369 is about 20660.4300294065. The cubic root of 426853369 is about 752.9386156059.

Adding to 426853369 its product of digits (933120), we get a square (427786489 = 20683²).

The spelling of 426853369 in words is "four hundred twenty-six million, eight hundred fifty-three thousand, three hundred sixty-nine".