426047543 has 4 divisors (see below), whose sum is σ = 426134280. Its totient is φ = 425960808.

The previous prime is 426047429. The next prime is 426047551. The reversal of 426047543 is 345740624.

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 426047543 - 2²⁰ = 424998967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426049543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35528 + ... + 45981.

It is an arithmetic number, because the mean of its divisors is an integer number (106533570).

Almost surely, 2^426047543 is an apocalyptic number.

426047543 is a deficient number, since it is larger than the sum of its proper divisors (86737).

426047543 is an equidigital number, since it uses as much as digits as its factorization.

426047543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86736.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 426047543 is about 20640.9191413561. The cubic root of 426047543 is about 752.4645107857.

The spelling of 426047543 in words is "four hundred twenty-six million, forty-seven thousand, five hundred forty-three".