458693449 has 2 divisors, whose sum is σ = 458693450. Its totient is φ = 458693448.

The previous prime is 458693447. The next prime is 458693479. The reversal of 458693449 is 944396854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253287225 + 205406224 = 15915^2 + 14332^2 .

It is a cyclic number.

It is not a de Polignac number, because 458693449 - 2¹ = 458693447 is a prime.

Together with 458693447, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 458693396 and 458693405.

It is not a weakly prime, because it can be changed into another prime (458693447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229346724 + 229346725.

It is an arithmetic number, because the mean of its divisors is an integer number (229346725).

Almost surely, 2^458693449 is an apocalyptic number.

It is an amenable number.

458693449 is a deficient number, since it is larger than the sum of its proper divisors (1).

458693449 is an equidigital number, since it uses as much as digits as its factorization.

458693449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 52.

The square root of 458693449 is about 21417.1298030338. The cubic root of 458693449 is about 771.2127115144.

The spelling of 458693449 in words is "four hundred fifty-eight million, six hundred ninety-three thousand, four hundred forty-nine".