450228662309 has 4 divisors (see below), whose sum is σ = 451588870080. Its totient is φ = 448868454540.

The previous prime is 450228662263. The next prime is 450228662311. The reversal of 450228662309 is 903266822054.

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 450228662309 - 2¹⁶ = 450228596773 is a prime.

It is a super-2 number, since 2×450228662309² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450228662329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680103389 + ... + 680104050.

It is an arithmetic number, because the mean of its divisors is an integer number (112897217520).

Almost surely, 2^450228662309 is an apocalyptic number.

It is an amenable number.

450228662309 is a deficient number, since it is larger than the sum of its proper divisors (1360207771).

450228662309 is a wasteful number, since it uses less digits than its factorization.

450228662309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360207770.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 450228662309 in words is "four hundred fifty billion, two hundred twenty-eight million, six hundred sixty-two thousand, three hundred nine".