9873452543789 has 8 divisors (see below), whose sum is σ = 9939980878080. Its totient is φ = 9806939226000.

The previous prime is 9873452543677. The next prime is 9873452543807.

9873452543789 is nontrivially palindromic in base 10.

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 9873452543789 - 2²⁰ = 9873451495213 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 (9873452543389) 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, 2433122 + ... + 5066259.

It is an arithmetic number, because the mean of its divisors is an integer number (1242497609760).

Almost surely, 2^{9873452543789} is an apocalyptic number.

It is an amenable number.

9873452543789 is a deficient number, since it is larger than the sum of its proper divisors (66528334291).

9873452543789 is a wasteful number, since it uses less digits than its factorization.

9873452543789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7508251.

The product of its digits is 1828915200, while the sum is 74.

The spelling of 9873452543789 in words is "nine trillion, eight hundred seventy-three billion, four hundred fifty-two million, five hundred forty-three thousand, seven hundred eighty-nine".