9955619432 has 32 divisors (see below), whose sum is σ = 20650593600. Its totient is φ = 4461542400.

The previous prime is 9955619393. The next prime is 9955619459. The reversal of 9955619432 is 2349165599.

It is a super-2 number, since 2×9955619432² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790457 + ... + 802952.

It is an arithmetic number, because the mean of its divisors is an integer number (645331050).

Almost surely, 2^9955619432 is an apocalyptic number.

It is an amenable number.

9955619432 is an abundant number, since it is smaller than the sum of its proper divisors (10694974168).

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

9955619432 is a wasteful number, since it uses less digits than its factorization.

9955619432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593497 (or 1593493 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 53.

The square root of 9955619432 is about 99777.8504077934. The cubic root of 9955619432 is about 2151.2427955862.

The spelling of 9955619432 in words is "nine billion, nine hundred fifty-five million, six hundred nineteen thousand, four hundred thirty-two".