9708433428 has 12 divisors (see below), whose sum is σ = 22653011360. Its totient is φ = 3236144472.

The previous prime is 9708433393. The next prime is 9708433433. The reversal of 9708433428 is 8243348079.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 404518048 + ... + 404518071.

Almost surely, 2^9708433428 is an apocalyptic number.

It is an amenable number.

9708433428 is an abundant number, since it is smaller than the sum of its proper divisors (12944577932).

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

9708433428 is a wasteful number, since it uses less digits than its factorization.

9708433428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809036126 (or 809036124 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 9708433428 is about 98531.3829599483. The cubic root of 9708433428 is about 2133.2891227709.

The spelling of 9708433428 in words is "nine billion, seven hundred eight million, four hundred thirty-three thousand, four hundred twenty-eight".