63321009 has 8 divisors (see below), whose sum is σ = 84465792. Its totient is φ = 42195120.

The previous prime is 63320993. The next prime is 63321029. The reversal of 63321009 is 90012336.

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

It is not a de Polignac number, because 63321009 - 2⁴ = 63320993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63321009.

It is not an unprimeable number, because it can be changed into a prime (63321029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7987 + ... + 13799.

It is an arithmetic number, because the mean of its divisors is an integer number (10558224).

Almost surely, 2^63321009 is an apocalyptic number.

It is an amenable number.

63321009 is a deficient number, since it is larger than the sum of its proper divisors (21144783).

63321009 is a wasteful number, since it uses less digits than its factorization.

63321009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9447.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 63321009 is about 7957.4499055916. The cubic root of 63321009 is about 398.5804032394.

The spelling of 63321009 in words is "sixty-three million, three hundred twenty-one thousand, nine".