2182764805 has 16 divisors (see below), whose sum is σ = 2825610480. Its totient is φ = 1609141248.

The previous prime is 2182764803. The next prime is 2182764817. The reversal of 2182764805 is 5084672812.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 142706916 + 2040057889 = 11946^2 + 45167^2 .

It is not a de Polignac number, because 2182764805 - 2¹ = 2182764803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182764803) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10231 + ... + 66859.

It is an arithmetic number, because the mean of its divisors is an integer number (176600655).

Almost surely, 2^2182764805 is an apocalyptic number.

It is an amenable number.

2182764805 is a deficient number, since it is larger than the sum of its proper divisors (642845675).

2182764805 is a wasteful number, since it uses less digits than its factorization.

2182764805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57240.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 2182764805 is about 46720.0685466107. The cubic root of 2182764805 is about 1297.1861831903.

The spelling of 2182764805 in words is "two billion, one hundred eighty-two million, seven hundred sixty-four thousand, eight hundred five".