2011219984 has 20 divisors (see below), whose sum is σ = 4022440960. Its totient is φ = 973170720.

The previous prime is 2011219979. The next prime is 2011220009. The reversal of 2011219984 is 4899121102.

2011219984 is an admirable 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, 2026944 + ... + 2027935.

It is an arithmetic number, because the mean of its divisors is an integer number (201122048).

Almost surely, 2^2011219984 is an apocalyptic number.

It is an amenable number.

2011219984 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2011219984 is a wasteful number, since it uses less digits than its factorization.

2011219984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054918 (or 4054912 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 2011219984 is about 44846.6273425327. The cubic root of 2011219984 is about 1262.2727067733.

The spelling of 2011219984 in words is "two billion, eleven million, two hundred nineteen thousand, nine hundred eighty-four".