63264009 has 4 divisors (see below), whose sum is σ = 84352016. Its totient is φ = 42176004.

The previous prime is 63264001. The next prime is 63264031. The reversal of 63264009 is 90046236.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 63264009 - 2³ = 63264001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63264001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10543999 + ... + 10544004.

It is an arithmetic number, because the mean of its divisors is an integer number (21088004).

Almost surely, 2^63264009 is an apocalyptic number.

It is an amenable number.

63264009 is a deficient number, since it is larger than the sum of its proper divisors (21088007).

63264009 is a wasteful number, since it uses less digits than its factorization.

63264009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21088006.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 63264009 is about 7953.8675498150. The cubic root of 63264009 is about 398.4607699412.

The spelling of 63264009 in words is "sixty-three million, two hundred sixty-four thousand, nine".