63489801089 has 16 divisors (see below), whose sum is σ = 75286532160. Its totient is φ = 52780215360.

The previous prime is 63489801083. The next prime is 63489801091. The reversal of 63489801089 is 98010898436.

It is a cyclic number.

It is not a de Polignac number, because 63489801089 - 2³² = 59194833793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63489801083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2059394 + ... + 2089995.

It is an arithmetic number, because the mean of its divisors is an integer number (4705408260).

Almost surely, 2^63489801089 is an apocalyptic number.

It is an amenable number.

63489801089 is a deficient number, since it is larger than the sum of its proper divisors (11796731071).

63489801089 is a wasteful number, since it uses less digits than its factorization.

63489801089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149520.

The product of its (nonzero) digits is 2985984, while the sum is 56.

The spelling of 63489801089 in words is "sixty-three billion, four hundred eighty-nine million, eight hundred one thousand, eighty-nine".