9919814982 has 48 divisors (see below), whose sum is σ = 24922523136. Its totient is φ = 2576574000.

The previous prime is 9919814941. The next prime is 9919815029. The reversal of 9919814982 is 2894189199.

It is a super-3 number, since 3×9919814982³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 970894 + ... + 981057.

It is an arithmetic number, because the mean of its divisors is an integer number (519219232).

Almost surely, 2^9919814982 is an apocalyptic number.

9919814982 is an abundant number, since it is smaller than the sum of its proper divisors (15002708154).

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

9919814982 is a wasteful number, since it uses less digits than its factorization.

9919814982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951985 (or 1951974 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 60.

The square root of 9919814982 is about 99598.2679668678. The cubic root of 9919814982 is about 2148.6607835820.

The spelling of 9919814982 in words is "nine billion, nine hundred nineteen million, eight hundred fourteen thousand, nine hundred eighty-two".