9899419752 has 64 divisors (see below), whose sum is σ = 28137912000. Its totient is φ = 3223063872.

The previous prime is 9899419727. The next prime is 9899419781. The reversal of 9899419752 is 2579149989.

It is a super-2 number, since 2×9899419752² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9899419752.

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 15 ways as a sum of consecutive naturals, for example, 523627 + ... + 542202.

It is an arithmetic number, because the mean of its divisors is an integer number (439654875).

Almost surely, 2^9899419752 is an apocalyptic number.

It is an amenable number.

9899419752 is an abundant number, since it is smaller than the sum of its proper divisors (18238492248).

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

9899419752 is a wasteful number, since it uses less digits than its factorization.

9899419752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065887 (or 1065877 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 63.

The square root of 9899419752 is about 99495.8278120244. The cubic root of 9899419752 is about 2147.1872178481.

The spelling of 9899419752 in words is "nine billion, eight hundred ninety-nine million, four hundred nineteen thousand, seven hundred fifty-two".