9917619488 has 48 divisors (see below), whose sum is σ = 22735702080. Its totient is φ = 4170206976.

The previous prime is 9917619431. The next prime is 9917619557. The reversal of 9917619488 is 8849167199.

It is a self number, because there is not a number n which added to its sum of digits gives 9917619488.

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, 405818 + ... + 429561.

It is an arithmetic number, because the mean of its divisors is an integer number (473660460).

Almost surely, 2^9917619488 is an apocalyptic number.

It is an amenable number.

9917619488 is an abundant number, since it is smaller than the sum of its proper divisors (12818082592).

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

9917619488 is a wasteful number, since it uses less digits than its factorization.

9917619488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835449 (or 835441 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 62.

The square root of 9917619488 is about 99587.2456090638. The cubic root of 9917619488 is about 2148.5022550902.

The spelling of 9917619488 in words is "nine billion, nine hundred seventeen million, six hundred nineteen thousand, four hundred eighty-eight".