2819921116 has 12 divisors (see below), whose sum is σ = 4997329120. Its totient is φ = 1392112800.

The previous prime is 2819921113. The next prime is 2819921131. The reversal of 2819921116 is 6111299182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2819921113) by changing a digit.

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, 4461585 + ... + 4462216.

Almost surely, 2^2819921116 is an apocalyptic number.

It is an amenable number.

2819921116 is a deficient number, since it is larger than the sum of its proper divisors (2177408004).

2819921116 is a wasteful number, since it uses less digits than its factorization.

2819921116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923884 (or 8923882 counting only the distinct ones).

The product of its digits is 15552, while the sum is 40.

The square root of 2819921116 is about 53102.9294483835. The cubic root of 2819921116 is about 1412.7944707385.

The spelling of 2819921116 in words is "two billion, eight hundred nineteen million, nine hundred twenty-one thousand, one hundred sixteen".