450768869 has 8 divisors (see below), whose sum is σ = 469048320. Its totient is φ = 432851536.

The previous prime is 450768853. The next prime is 450768887. The reversal of 450768869 is 968867054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450768869 - 2⁴ = 450768853 is a prime.

It is a super-3 number, since 3×450768869³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450768869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450768169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87989 + ... + 92970.

It is an arithmetic number, because the mean of its divisors is an integer number (58631040).

Almost surely, 2^450768869 is an apocalyptic number.

It is an amenable number.

450768869 is a deficient number, since it is larger than the sum of its proper divisors (18279451).

450768869 is a wasteful number, since it uses less digits than its factorization.

450768869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181059.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 450768869 is about 21231.3181173473. The cubic root of 450768869 is about 766.7456222612.

The spelling of 450768869 in words is "four hundred fifty million, seven hundred sixty-eight thousand, eight hundred sixty-nine".