450936491 has 8 divisors (see below), whose sum is σ = 462520800. Its totient is φ = 439380160.

The previous prime is 450936467. The next prime is 450936527. The reversal of 450936491 is 194639054.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450936491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450936991) 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, 27845 + ... + 40953.

It is an arithmetic number, because the mean of its divisors is an integer number (57815100).

Almost surely, 2^450936491 is an apocalyptic number.

450936491 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

450936491 is a deficient number, since it is larger than the sum of its proper divisors (11584309).

450936491 is a wasteful number, since it uses less digits than its factorization.

450936491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13989.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 450936491 is about 21235.2652679452. The cubic root of 450936491 is about 766.8406506420.

The spelling of 450936491 in words is "four hundred fifty million, nine hundred thirty-six thousand, four hundred ninety-one".