9680491643 has 8 divisors (see below), whose sum is σ = 10105149600. Its totient is φ = 9256147648.

The previous prime is 9680491637. The next prime is 9680491687. The reversal of 9680491643 is 3461940869.

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 9680491643 - 2³⁰ = 8606749819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9680491591 and 9680491600.

It is not an unprimeable number, because it can be changed into a prime (9680491693) 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, 14348 + ... + 139881.

It is an arithmetic number, because the mean of its divisors is an integer number (1263143700).

Almost surely, 2^9680491643 is an apocalyptic number.

9680491643 is a deficient number, since it is larger than the sum of its proper divisors (424657957).

9680491643 is a wasteful number, since it uses less digits than its factorization.

9680491643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156981.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 9680491643 is about 98389.4894945593. The cubic root of 9680491643 is about 2131.2405539059.

The spelling of 9680491643 in words is "nine billion, six hundred eighty million, four hundred ninety-one thousand, six hundred forty-three".