2019823912 has 16 divisors (see below), whose sum is σ = 3788380800. Its totient is φ = 1009589040.

The previous prime is 2019823859. The next prime is 2019823951. The reversal of 2019823912 is 2193289102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12664 + ... + 64807.

It is an arithmetic number, because the mean of its divisors is an integer number (236773800).

Almost surely, 2^2019823912 is an apocalyptic number.

It is an amenable number.

2019823912 is a deficient number, since it is larger than the sum of its proper divisors (1768556888).

2019823912 is a wasteful number, since it uses less digits than its factorization.

2019823912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80736 (or 80732 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 2019823912 is about 44942.4511125061. The cubic root of 2019823912 is about 1264.0701321045.

The spelling of 2019823912 in words is "two billion, nineteen million, eight hundred twenty-three thousand, nine hundred twelve".