459430381 has 2 divisors, whose sum is σ = 459430382. Its totient is φ = 459430380.

The previous prime is 459430373. The next prime is 459430399. The reversal of 459430381 is 183034954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275394025 + 184036356 = 16595^2 + 13566^2 .

It is a cyclic number.

It is not a de Polignac number, because 459430381 - 2³ = 459430373 is a prime.

It is a super-2 number, since 2×459430381² = 422152549971610322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 459430381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (459430351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229715190 + 229715191.

It is an arithmetic number, because the mean of its divisors is an integer number (229715191).

Almost surely, 2^459430381 is an apocalyptic number.

It is an amenable number.

459430381 is a deficient number, since it is larger than the sum of its proper divisors (1).

459430381 is an equidigital number, since it uses as much as digits as its factorization.

459430381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 459430381 is about 21434.3271646208. The cubic root of 459430381 is about 771.6254979045.

The spelling of 459430381 in words is "four hundred fifty-nine million, four hundred thirty thousand, three hundred eighty-one".