632464009 has 2 divisors, whose sum is σ = 632464010. Its totient is φ = 632464008.

The previous prime is 632464003. The next prime is 632464033. The reversal of 632464009 is 900464236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 482768784 + 149695225 = 21972^2 + 12235^2 .

It is a cyclic number.

It is not a de Polignac number, because 632464009 - 2¹¹ = 632461961 is a prime.

It is not a weakly prime, because it can be changed into another prime (632464003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316232004 + 316232005.

It is an arithmetic number, because the mean of its divisors is an integer number (316232005).

Almost surely, 2^632464009 is an apocalyptic number.

It is an amenable number.

632464009 is a deficient number, since it is larger than the sum of its proper divisors (1).

632464009 is an equidigital number, since it uses as much as digits as its factorization.

632464009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 632464009 is about 25148.8371301736. The cubic root of 632464009 is about 858.3780539199.

The spelling of 632464009 in words is "six hundred thirty-two million, four hundred sixty-four thousand, nine".