453631509 has 20 divisors (see below), whose sum is σ = 686234560. Its totient is φ = 298588680.

The previous prime is 453631499. The next prime is 453631531. The reversal of 453631509 is 905136354.

It is not a de Polignac number, because 453631509 - 2¹¹ = 453629461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453631559) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29047 + ... + 41844.

It is an arithmetic number, because the mean of its divisors is an integer number (34311728).

Almost surely, 2^453631509 is an apocalyptic number.

It is an amenable number.

453631509 is a deficient number, since it is larger than the sum of its proper divisors (232603051).

453631509 is an equidigital number, since it uses as much as digits as its factorization.

453631509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70982 (or 70973 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 453631509 is about 21298.6269275745. The cubic root of 453631509 is about 768.3652894840.

The spelling of 453631509 in words is "four hundred fifty-three million, six hundred thirty-one thousand, five hundred nine".