2683281816 has 48 divisors (see below), whose sum is σ = 7536383400. Its totient is φ = 894426624.

The previous prime is 2683281793. The next prime is 2683281817. The reversal of 2683281816 is 6181823862.

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 (2683281817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 688201 + ... + 692088.

Almost surely, 2^2683281816 is an apocalyptic number.

It is an amenable number.

2683281816 is an abundant number, since it is smaller than the sum of its proper divisors (4853101584).

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

2683281816 is a wasteful number, since it uses less digits than its factorization.

2683281816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380310 (or 1380294 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 2683281816 is about 51800.4036277711. The cubic root of 2683281816 is about 1389.5966629897.

The spelling of 2683281816 in words is "two billion, six hundred eighty-three million, two hundred eighty-one thousand, eight hundred sixteen".