9975685489 has 8 divisors (see below), whose sum is σ = 12437218368. Its totient is φ = 7773261360.

The previous prime is 9975685487. The next prime is 9975685513. The reversal of 9975685489 is 9845865799.

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 9975685489 - 2¹ = 9975685487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9975685483) 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, 64777102 + ... + 64777255.

It is an arithmetic number, because the mean of its divisors is an integer number (1554652296).

Almost surely, 2^9975685489 is an apocalyptic number.

It is an amenable number.

9975685489 is a deficient number, since it is larger than the sum of its proper divisors (2461532879).

9975685489 is a wasteful number, since it uses less digits than its factorization.

9975685489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129554375.

The product of its digits is 195955200, while the sum is 70.

The square root of 9975685489 is about 99878.3534555912. The cubic root of 9975685489 is about 2152.6871387048.

The spelling of 9975685489 in words is "nine billion, nine hundred seventy-five million, six hundred eighty-five thousand, four hundred eighty-nine".