426436263 has 12 divisors (see below), whose sum is σ = 671960328. Its totient is φ = 258446160.

The previous prime is 426436253. The next prime is 426436267. The reversal of 426436263 is 362634624.

426436263 is a `hidden beast` number, since 4 + 2 + 643 + 6 + 2 + 6 + 3 = 666.

It is not a de Polignac number, because 426436263 - 2¹⁰ = 426435239 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426436267) 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 in 11 ways as a sum of consecutive naturals, for example, 2153620 + ... + 2153817.

It is an arithmetic number, because the mean of its divisors is an integer number (55996694).

Almost surely, 2^426436263 is an apocalyptic number.

426436263 is a deficient number, since it is larger than the sum of its proper divisors (245524065).

426436263 is a wasteful number, since it uses less digits than its factorization.

426436263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307454 (or 4307451 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The square root of 426436263 is about 20650.3332418632. Note that the first 3 decimals coincide. The cubic root of 426436263 is about 752.6932873604.

The spelling of 426436263 in words is "four hundred twenty-six million, four hundred thirty-six thousand, two hundred sixty-three".