459494393 has 2 divisors, whose sum is σ = 459494394. Its totient is φ = 459494392.

The previous prime is 459494389. The next prime is 459494417. The reversal of 459494393 is 393494954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365268544 + 94225849 = 19112^2 + 9707^2 .

It is a cyclic number.

It is not a de Polignac number, because 459494393 - 2² = 459494389 is a prime.

It is a super-2 number, since 2×459494393² = 422270194396876898, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (459494323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229747196 + 229747197.

It is an arithmetic number, because the mean of its divisors is an integer number (229747197).

Almost surely, 2^459494393 is an apocalyptic number.

It is an amenable number.

459494393 is a deficient number, since it is larger than the sum of its proper divisors (1).

459494393 is an equidigital number, since it uses as much as digits as its factorization.

459494393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 50.

The square root of 459494393 is about 21435.8203248674. The cubic root of 459494393 is about 771.6613328569.

The spelling of 459494393 in words is "four hundred fifty-nine million, four hundred ninety-four thousand, three hundred ninety-three".