2683966805 has 16 divisors (see below), whose sum is σ = 3553112304. Its totient is φ = 1933662720.

The previous prime is 2683966793. The next prime is 2683966823. The reversal of 2683966805 is 5086693862.

It can be written as a sum of positive squares in 8 ways, for example, as 896283844 + 1787682961 = 29938^2 + 42281^2 .

It is not a de Polignac number, because 2683966805 - 2²⁰ = 2682918229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 500894 + ... + 506223.

It is an arithmetic number, because the mean of its divisors is an integer number (222069519).

Almost surely, 2^2683966805 is an apocalyptic number.

It is an amenable number.

2683966805 is a deficient number, since it is larger than the sum of its proper divisors (869145499).

2683966805 is a wasteful number, since it uses less digits than its factorization.

2683966805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007176.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The square root of 2683966805 is about 51807.0150172735. The cubic root of 2683966805 is about 1389.7148984824.

The spelling of 2683966805 in words is "two billion, six hundred eighty-three million, nine hundred sixty-six thousand, eight hundred five".