9682689421 has 8 divisors (see below), whose sum is σ = 9833085504. Its totient is φ = 9533428800.

The previous prime is 9682689383. The next prime is 9682689461. The reversal of 9682689421 is 1249862869.

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 9682689421 - 2⁹ = 9682688909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9682689461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266671 + ... + 300796.

It is an arithmetic number, because the mean of its divisors is an integer number (1229135688).

Almost surely, 2^9682689421 is an apocalyptic number.

It is an amenable number.

9682689421 is a deficient number, since it is larger than the sum of its proper divisors (150396083).

9682689421 is a wasteful number, since it uses less digits than its factorization.

9682689421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567731.

The product of its digits is 2985984, while the sum is 55.

The square root of 9682689421 is about 98400.6576248350. The cubic root of 9682689421 is about 2131.4018280556.

The spelling of 9682689421 in words is "nine billion, six hundred eighty-two million, six hundred eighty-nine thousand, four hundred twenty-one".