459980891 has 2 divisors, whose sum is σ = 459980892. Its totient is φ = 459980890.

The previous prime is 459980867. The next prime is 459980893. The reversal of 459980891 is 198089954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 459980891 - 2⁶ = 459980827 is a prime.

Together with 459980893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (459980893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229990445 + 229990446.

It is an arithmetic number, because the mean of its divisors is an integer number (229990446).

Almost surely, 2^459980891 is an apocalyptic number.

459980891 is a deficient number, since it is larger than the sum of its proper divisors (1).

459980891 is an equidigital number, since it uses as much as digits as its factorization.

459980891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 53.

The square root of 459980891 is about 21447.1651040411. The cubic root of 459980891 is about 771.9335735976.

The spelling of 459980891 in words is "four hundred fifty-nine million, nine hundred eighty thousand, eight hundred ninety-one".