630849009 has 8 divisors (see below), whose sum is σ = 961293760. Its totient is φ = 360485136.

The previous prime is 630848951. The next prime is 630849031. The reversal of 630849009 is 900948036.

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

It is not a de Polignac number, because 630849009 - 2¹² = 630844913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630849059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15020194 + ... + 15020235.

It is an arithmetic number, because the mean of its divisors is an integer number (120161720).

Almost surely, 2^630849009 is an apocalyptic number.

It is an amenable number.

630849009 is a deficient number, since it is larger than the sum of its proper divisors (330444751).

630849009 is a wasteful number, since it uses less digits than its factorization.

630849009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30040439.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 630849009 is about 25116.7077659474. The cubic root of 630849009 is about 857.6468069387.

The spelling of 630849009 in words is "six hundred thirty million, eight hundred forty-nine thousand, nine".