450302649 has 4 divisors (see below), whose sum is σ = 600403536. Its totient is φ = 300201764.

The previous prime is 450302599. The next prime is 450302651. The reversal of 450302649 is 946203054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 450302649 - 2¹² = 450298553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450302669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75050439 + ... + 75050444.

It is an arithmetic number, because the mean of its divisors is an integer number (150100884).

Almost surely, 2^450302649 is an apocalyptic number.

It is an amenable number.

450302649 is a deficient number, since it is larger than the sum of its proper divisors (150100887).

450302649 is a wasteful number, since it uses less digits than its factorization.

450302649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150100886.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 450302649 is about 21220.3357419245. The cubic root of 450302649 is about 766.4811885486.

The spelling of 450302649 in words is "four hundred fifty million, three hundred two thousand, six hundred forty-nine".