9681899662 has 8 divisors (see below), whose sum is σ = 14523327000. Its totient is φ = 4840790664.

The previous prime is 9681899659. The next prime is 9681899671. The reversal of 9681899662 is 2669981869.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 9681899594 and 9681899603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22789 + ... + 141007.

It is an arithmetic number, because the mean of its divisors is an integer number (1815415875).

Almost surely, 2^9681899662 is an apocalyptic number.

9681899662 is a deficient number, since it is larger than the sum of its proper divisors (4841427338).

9681899662 is a wasteful number, since it uses less digits than its factorization.

9681899662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159170.

The product of its digits is 20155392, while the sum is 64.

The square root of 9681899662 is about 98396.6445667737. The cubic root of 9681899662 is about 2131.3438779183.

The spelling of 9681899662 in words is "nine billion, six hundred eighty-one million, eight hundred ninety-nine thousand, six hundred sixty-two".