451084889 has 4 divisors (see below), whose sum is σ = 451150260. Its totient is φ = 451019520.

The previous prime is 451084883. The next prime is 451084903. The reversal of 451084889 is 988480154.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 277056025 + 174028864 = 16645^2 + 13192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451084889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451084883) 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 in 3 ways as a sum of consecutive naturals, for example, 20924 + ... + 36605.

It is an arithmetic number, because the mean of its divisors is an integer number (112787565).

Almost surely, 2^451084889 is an apocalyptic number.

It is an amenable number.

451084889 is a deficient number, since it is larger than the sum of its proper divisors (65371).

451084889 is an equidigital number, since it uses as much as digits as its factorization.

451084889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65370.

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 451084889 is about 21238.7591210033. The cubic root of 451084889 is about 766.9247608883.

The spelling of 451084889 in words is "four hundred fifty-one million, eighty-four thousand, eight hundred eighty-nine".