663473600001 has 12 divisors (see below), whose sum is σ = 958914845200. Its totient is φ = 442055384280.

The previous prime is 663473599979. The next prime is 663473600099. The reversal of 663473600001 is 100006374366.

It is a happy number.

663473600001 is a `hidden beast` number, since 6 + 6 + 3 + 47 + 3 + 600 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 663473600001 - 2⁶ = 663473599937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663472600001) 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 11 ways as a sum of consecutive naturals, for example, 21679615 + ... + 21710196.

Almost surely, 2^663473600001 is an apocalyptic number.

It is an amenable number.

663473600001 is a deficient number, since it is larger than the sum of its proper divisors (295441245199).

663473600001 is a wasteful number, since it uses less digits than its factorization.

663473600001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43391516 (or 43391513 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

Adding to 663473600001 its reverse (100006374366), we get a palindrome (763479974367).

The spelling of 663473600001 in words is "six hundred sixty-three billion, four hundred seventy-three million, six hundred thousand, one".