9687429444 has 192 divisors, whose sum is σ = 29330767872. Its totient is φ = 2414966400.

The previous prime is 9687429419. The next prime is 9687429461. The reversal of 9687429444 is 4449247869.

It is a happy number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 3636457 + ... + 3639119.

It is an arithmetic number, because the mean of its divisors is an integer number (152764416).

Almost surely, 2^9687429444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9687429444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14665383936).

9687429444 is an abundant number, since it is smaller than the sum of its proper divisors (19643338428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9687429444 is a wasteful number, since it uses less digits than its factorization.

9687429444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846 (or 2844 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 57.

The square root of 9687429444 is about 98424.7399996566. The cubic root of 9687429444 is about 2131.7495704758.

The spelling of 9687429444 in words is "nine billion, six hundred eighty-seven million, four hundred twenty-nine thousand, four hundred forty-four".