63571459989 has 8 divisors (see below), whose sum is σ = 84765589792. Its totient is φ = 42379151760.

The previous prime is 63571459969. The next prime is 63571459993. The reversal of 63571459989 is 98995417536.

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

It is not a de Polignac number, because 63571459989 - 2⁵ = 63571459957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63571459949) 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 7 ways as a sum of consecutive naturals, for example, 371767 + ... + 515124.

It is an arithmetic number, because the mean of its divisors is an integer number (10595698724).

Almost surely, 2^63571459989 is an apocalyptic number.

It is an amenable number.

63571459989 is a deficient number, since it is larger than the sum of its proper divisors (21194129803).

63571459989 is a wasteful number, since it uses less digits than its factorization.

63571459989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910787.

The product of its digits is 73483200, while the sum is 66.

The spelling of 63571459989 in words is "sixty-three billion, five hundred seventy-one million, four hundred fifty-nine thousand, nine hundred eighty-nine".