450646493 has 8 divisors (see below), whose sum is σ = 503047776. Its totient is φ = 400150800.

The previous prime is 450646453. The next prime is 450646513. The reversal of 450646493 is 394646054.

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 450646493 - 2¹⁴ = 450630109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450646493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450646403) 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 7 ways as a sum of consecutive naturals, for example, 475898 + ... + 476843.

It is an arithmetic number, because the mean of its divisors is an integer number (62880972).

Almost surely, 2^450646493 is an apocalyptic number.

450646493 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

450646493 is a deficient number, since it is larger than the sum of its proper divisors (52401283).

450646493 is a wasteful number, since it uses less digits than its factorization.

450646493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952795.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 450646493 is about 21228.4359527498. The cubic root of 450646493 is about 766.6762298954.

The spelling of 450646493 in words is "four hundred fifty million, six hundred forty-six thousand, four hundred ninety-three".