458851849 has 2 divisors, whose sum is σ = 458851850. Its totient is φ = 458851848.

The previous prime is 458851847. The next prime is 458851867. The reversal of 458851849 is 948158854.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426133449 + 32718400 = 20643^2 + 5720^2 .

It is a cyclic number.

It is not a de Polignac number, because 458851849 - 2¹ = 458851847 is a prime.

Together with 458851847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 458851796 and 458851805.

It is not a weakly prime, because it can be changed into another prime (458851847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229425924 + 229425925.

It is an arithmetic number, because the mean of its divisors is an integer number (229425925).

Almost surely, 2^458851849 is an apocalyptic number.

It is an amenable number.

458851849 is a deficient number, since it is larger than the sum of its proper divisors (1).

458851849 is an equidigital number, since it uses as much as digits as its factorization.

458851849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1843200, while the sum is 52.

The square root of 458851849 is about 21420.8274583406. The cubic root of 458851849 is about 771.3014752517.

The spelling of 458851849 in words is "four hundred fifty-eight million, eight hundred fifty-one thousand, eight hundred forty-nine".