2819982816 has 96 divisors (see below), whose sum is σ = 9399962880. Its totient is φ = 805707648.

The previous prime is 2819982799. The next prime is 2819982817. The reversal of 2819982816 is 6182899182.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2819982817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227086 + ... + 239181.

It is an arithmetic number, because the mean of its divisors is an integer number (97916280).

Almost surely, 2^2819982816 is an apocalyptic number.

It is an amenable number.

2819982816 is an abundant number, since it is smaller than the sum of its proper divisors (6579980064).

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

2819982816 is a wasteful number, since it uses less digits than its factorization.

2819982816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466293 (or 466279 counting only the distinct ones).

The product of its digits is 995328, while the sum is 54.

The square root of 2819982816 is about 53103.5103924402. The cubic root of 2819982816 is about 1412.8047746654.

The spelling of 2819982816 in words is "two billion, eight hundred nineteen million, nine hundred eighty-two thousand, eight hundred sixteen".