459149881 has 2 divisors, whose sum is σ = 459149882. Its totient is φ = 459149880.

The previous prime is 459149879. The next prime is 459149893. The reversal of 459149881 is 188941954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 357966400 + 101183481 = 18920^2 + 10059^2 .

It is a cyclic number.

It is not a de Polignac number, because 459149881 - 2¹ = 459149879 is a prime.

It is a super-2 number, since 2×459149881² = 421637226444628322, which contains 22 as substring.

Together with 459149879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (459149281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229574940 + 229574941.

It is an arithmetic number, because the mean of its divisors is an integer number (229574941).

Almost surely, 2^459149881 is an apocalyptic number.

It is an amenable number.

459149881 is a deficient number, since it is larger than the sum of its proper divisors (1).

459149881 is an equidigital number, since it uses as much as digits as its factorization.

459149881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 49.

The square root of 459149881 is about 21427.7829231118. The cubic root of 459149881 is about 771.4684302075.

The spelling of 459149881 in words is "four hundred fifty-nine million, one hundred forty-nine thousand, eight hundred eighty-one".