450639667723 has 16 divisors (see below), whose sum is σ = 547175321280. Its totient is φ = 362863622016.

The previous prime is 450639667679. The next prime is 450639667729. The reversal of 450639667723 is 327766936054.

It is not a de Polignac number, because 450639667723 - 2⁹ = 450639667211 is a prime.

It is a super-2 number, since 2×450639667723² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (450639667729) 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 15 ways as a sum of consecutive naturals, for example, 29991136 + ... + 30006157.

It is an arithmetic number, because the mean of its divisors is an integer number (34198457580).

Almost surely, 2^450639667723 is an apocalyptic number.

450639667723 is a deficient number, since it is larger than the sum of its proper divisors (96535653557).

450639667723 is a wasteful number, since it uses less digits than its factorization.

450639667723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59997366.

The product of its (nonzero) digits is 34292160, while the sum is 58.

The spelling of 450639667723 in words is "four hundred fifty billion, six hundred thirty-nine million, six hundred sixty-seven thousand, seven hundred twenty-three".