9632011985 has 4 divisors (see below), whose sum is σ = 11558414388. Its totient is φ = 7705609584.

The previous prime is 9632011969. The next prime is 9632011999. The reversal of 9632011985 is 5891102369.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5891102369 = 29 ⋅203141461.

It can be written as a sum of positive squares in 2 ways, for example, as 1874630209 + 7757381776 = 43297^2 + 88076^2 .

It is a cyclic number.

It is not a de Polignac number, because 9632011985 - 2⁴ = 9632011969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963201194 + ... + 963201203.

It is an arithmetic number, because the mean of its divisors is an integer number (2889603597).

Almost surely, 2^9632011985 is an apocalyptic number.

It is an amenable number.

9632011985 is a deficient number, since it is larger than the sum of its proper divisors (1926402403).

9632011985 is a wasteful number, since it uses less digits than its factorization.

9632011985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926402402.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 9632011985 is about 98142.8142300800. The cubic root of 9632011985 is about 2127.6768653337.

The spelling of 9632011985 in words is "nine billion, six hundred thirty-two million, eleven thousand, nine hundred eighty-five".