663468984089 has 8 divisors (see below), whose sum is σ = 666010800000. Its totient is φ = 660930830352.

The previous prime is 663468984043. The next prime is 663468984131. The reversal of 663468984089 is 980489864366.

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

It is a cyclic number.

It is not a de Polignac number, because 663468984089 - 2⁸ = 663468983833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663468984019) 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, 552239 + ... + 1277460.

It is an arithmetic number, because the mean of its divisors is an integer number (83251350000).

Almost surely, 2^663468984089 is an apocalyptic number.

It is an amenable number.

663468984089 is a deficient number, since it is larger than the sum of its proper divisors (2541815911).

663468984089 is a wasteful number, since it uses less digits than its factorization.

663468984089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831087.

The product of its (nonzero) digits is 429981696, while the sum is 71.

The spelling of 663468984089 in words is "six hundred sixty-three billion, four hundred sixty-eight million, nine hundred eighty-four thousand, eighty-nine".