663230540009 has 16 divisors (see below), whose sum is σ = 726563811600. Its totient is φ = 602605645824.

The previous prime is 663230540003. The next prime is 663230540017. The reversal of 663230540009 is 900045032366.

It can be written as a sum of positive squares in 8 ways, for example, as 170545872784 + 492684667225 = 412972^2 + 701915^2 .

It is a cyclic number.

It is not a de Polignac number, because 663230540009 - 2⁸ = 663230539753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663230540003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3470849 + ... + 3656945.

It is an arithmetic number, because the mean of its divisors is an integer number (45410238225).

Almost surely, 2^663230540009 is an apocalyptic number.

It is an amenable number.

663230540009 is a deficient number, since it is larger than the sum of its proper divisors (63333271591).

663230540009 is a wasteful number, since it uses less digits than its factorization.

663230540009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193372.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 663230540009 in words is "six hundred sixty-three billion, two hundred thirty million, five hundred forty thousand, nine".