450416729 has 4 divisors (see below), whose sum is σ = 514761984. Its totient is φ = 386071476.

The previous prime is 450416723. The next prime is 450416731. The reversal of 450416729 is 927614054.

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 not a de Polignac number, because 450416729 - 2⁴ = 450416713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450416692 and 450416701.

It is not an unprimeable number, because it can be changed into a prime (450416723) 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, 32172617 + ... + 32172630.

It is an arithmetic number, because the mean of its divisors is an integer number (128690496).

Almost surely, 2^450416729 is an apocalyptic number.

It is an amenable number.

450416729 is a deficient number, since it is larger than the sum of its proper divisors (64345255).

450416729 is an equidigital number, since it uses as much as digits as its factorization.

450416729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64345254.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 450416729 is about 21223.0235593329. The cubic root of 450416729 is about 766.5459100503.

The spelling of 450416729 in words is "four hundred fifty million, four hundred sixteen thousand, seven hundred twenty-nine".