459509431 has 2 divisors, whose sum is σ = 459509432. Its totient is φ = 459509430.

The previous prime is 459509429. The next prime is 459509489. The reversal of 459509431 is 134905954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 459509431 - 2¹ = 459509429 is a prime.

It is a super-2 number, since 2×459509431² = 422297834355887522, which contains 22 as substring.

Together with 459509429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (459509131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229754715 + 229754716.

It is an arithmetic number, because the mean of its divisors is an integer number (229754716).

Almost surely, 2^459509431 is an apocalyptic number.

459509431 is a deficient number, since it is larger than the sum of its proper divisors (1).

459509431 is an equidigital number, since it uses as much as digits as its factorization.

459509431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 459509431 is about 21436.1710900058. The cubic root of 459509431 is about 771.6697508897.

The spelling of 459509431 in words is "four hundred fifty-nine million, five hundred nine thousand, four hundred thirty-one".