450210049 has 4 divisors (see below), whose sum is σ = 450282564. Its totient is φ = 450137536.

The previous prime is 450210023. The next prime is 450210071. The reversal of 450210049 is 940012054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940012054 = 2 ⋅470006027.

It can be written as a sum of positive squares in 2 ways, for example, as 225000000 + 225210049 = 15000^2 + 15007^2 .

It is a cyclic number.

It is not a de Polignac number, because 450210049 - 2¹⁷ = 450078977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451210049) 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, 25972 + ... + 39685.

It is an arithmetic number, because the mean of its divisors is an integer number (112570641).

Almost surely, 2^450210049 is an apocalyptic number.

It is an amenable number.

450210049 is a deficient number, since it is larger than the sum of its proper divisors (72515).

450210049 is an equidigital number, since it uses as much as digits as its factorization.

450210049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72514.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 450210049 is about 21218.1537604005. The cubic root of 450210049 is about 766.4286453506.

The spelling of 450210049 in words is "four hundred fifty million, two hundred ten thousand, forty-nine".