63216730009 has 16 divisors (see below), whose sum is σ = 67897408896. Its totient is φ = 58643424000.

The previous prime is 63216729997. The next prime is 63216730037. The reversal of 63216730009 is 90003761236.

It is a cyclic number.

It is not a de Polignac number, because 63216730009 - 2²⁹ = 62679859097 is a prime.

It is a super-2 number, since 2×63216730009² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63216730009.

It is not an unprimeable number, because it can be changed into a prime (63216731009) 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 15 ways as a sum of consecutive naturals, for example, 6876514 + ... + 6885700.

It is an arithmetic number, because the mean of its divisors is an integer number (4243588056).

Almost surely, 2^63216730009 is an apocalyptic number.

It is an amenable number.

63216730009 is a deficient number, since it is larger than the sum of its proper divisors (4680678887).

63216730009 is a wasteful number, since it uses less digits than its factorization.

63216730009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14976.

The product of its (nonzero) digits is 40824, while the sum is 37.

The spelling of 63216730009 in words is "sixty-three billion, two hundred sixteen million, seven hundred thirty thousand, nine".