426743805511 has 4 divisors (see below), whose sum is σ = 426756805024. Its totient is φ = 426730806000.

The previous prime is 426743805503. The next prime is 426743805547. The reversal of 426743805511 is 115508347624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426743805511 - 2³ = 426743805503 is a prime.

It is a super-2 number, since 2×426743805511² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426743805571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6450390 + ... + 6516211.

It is an arithmetic number, because the mean of its divisors is an integer number (106689201256).

Almost surely, 2^426743805511 is an apocalyptic number.

426743805511 is a deficient number, since it is larger than the sum of its proper divisors (12999513).

426743805511 is a wasteful number, since it uses less digits than its factorization.

426743805511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12999512.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 426743805511 in words is "four hundred twenty-six billion, seven hundred forty-three million, eight hundred five thousand, five hundred eleven".