426543479 has 2 divisors, whose sum is σ = 426543480. Its totient is φ = 426543478.

The previous prime is 426543451. The next prime is 426543517. The reversal of 426543479 is 974345624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426543479 - 2¹² = 426539383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426543419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213271739 + 213271740.

It is an arithmetic number, because the mean of its divisors is an integer number (213271740).

Almost surely, 2^426543479 is an apocalyptic number.

426543479 is a deficient number, since it is larger than the sum of its proper divisors (1).

426543479 is an equidigital number, since it uses as much as digits as its factorization.

426543479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 44.

The square root of 426543479 is about 20652.9290658734. The cubic root of 426543479 is about 752.7563636104.

The spelling of 426543479 in words is "four hundred twenty-six million, five hundred forty-three thousand, four hundred seventy-nine".