428450459 has 2 divisors, whose sum is σ = 428450460. Its totient is φ = 428450458.

The previous prime is 428450453. The next prime is 428450467. The reversal of 428450459 is 954054824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428450459 - 2²⁰ = 427401883 is a prime.

It is not a weakly prime, because it can be changed into another prime (428450453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214225229 + 214225230.

It is an arithmetic number, because the mean of its divisors is an integer number (214225230).

Almost surely, 2^428450459 is an apocalyptic number.

428450459 is a deficient number, since it is larger than the sum of its proper divisors (1).

428450459 is an equidigital number, since it uses as much as digits as its factorization.

428450459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 428450459 is about 20699.0448813466. The cubic root of 428450459 is about 753.8764974658.

The spelling of 428450459 in words is "four hundred twenty-eight million, four hundred fifty thousand, four hundred fifty-nine".