9989564414541 has 16 divisors (see below), whose sum is σ = 13335505128960. Its totient is φ = 6651671448240.

The previous prime is 9989564414437. The next prime is 9989564414573. The reversal of 9989564414541 is 1454144659899.

It is not a de Polignac number, because 9989564414541 - 2¹⁵ = 9989564381773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9989564414581) 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 15 ways as a sum of consecutive naturals, for example, 7762186 + ... + 8957156.

It is an arithmetic number, because the mean of its divisors is an integer number (833469070560).

Almost surely, 2^{9989564414541} is an apocalyptic number.

It is an amenable number.

9989564414541 is a deficient number, since it is larger than the sum of its proper divisors (3345940714419).

9989564414541 is a wasteful number, since it uses less digits than its factorization.

9989564414541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198336.

The product of its digits is 223948800, while the sum is 69.

The spelling of 9989564414541 in words is "nine trillion, nine hundred eighty-nine billion, five hundred sixty-four million, four hundred fourteen thousand, five hundred forty-one".