459871669 has 2 divisors, whose sum is σ = 459871670. Its totient is φ = 459871668.

The previous prime is 459871609. The next prime is 459871679. The reversal of 459871669 is 966178954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352500625 + 107371044 = 18775^2 + 10362^2 .

It is a cyclic number.

It is not a de Polignac number, because 459871669 - 2¹³ = 459863477 is a prime.

It is a super-2 number, since 2×459871669² = 422963903897691122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (459871609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229935834 + 229935835.

It is an arithmetic number, because the mean of its divisors is an integer number (229935835).

Almost surely, 2^459871669 is an apocalyptic number.

It is an amenable number.

459871669 is a deficient number, since it is larger than the sum of its proper divisors (1).

459871669 is an equidigital number, since it uses as much as digits as its factorization.

459871669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 55.

The square root of 459871669 is about 21444.6186489758. The cubic root of 459871669 is about 771.8724704775.

It can be divided in two parts, 4598 and 71669, that added together give a palindrome (76267).

The spelling of 459871669 in words is "four hundred fifty-nine million, eight hundred seventy-one thousand, six hundred sixty-nine".