9684643882 has 4 divisors (see below), whose sum is σ = 14526965826. Its totient is φ = 4842321940.

The previous prime is 9684643867. The next prime is 9684643897. The reversal of 9684643882 is 2883464869.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (9684643867) and next prime (9684643897).

It can be written as a sum of positive squares in only one way, i.e., 8162941801 + 1521702081 = 90349^2 + 39009^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2421160969 + ... + 2421160972.

Almost surely, 2^9684643882 is an apocalyptic number.

9684643882 is a deficient number, since it is larger than the sum of its proper divisors (4842321944).

9684643882 is a wasteful number, since it uses less digits than its factorization.

9684643882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842321943.

The product of its digits is 15925248, while the sum is 58.

The square root of 9684643882 is about 98410.5882616297. The cubic root of 9684643882 is about 2131.5452269713.

The spelling of 9684643882 in words is "nine billion, six hundred eighty-four million, six hundred forty-three thousand, eight hundred eighty-two".