2806816534 has 16 divisors (see below), whose sum is σ = 4435346880. Its totient is φ = 1328485320.

The previous prime is 2806816531. The next prime is 2806816543. The reversal of 2806816534 is 4356186082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2806816531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19969 + ... + 77539.

It is an arithmetic number, because the mean of its divisors is an integer number (277209180).

Almost surely, 2^2806816534 is an apocalyptic number.

2806816534 is a deficient number, since it is larger than the sum of its proper divisors (1628530346).

2806816534 is a wasteful number, since it uses less digits than its factorization.

2806816534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58875.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 2806816534 is about 52979.3972596895. The cubic root of 2806816534 is about 1410.6025850194.

The spelling of 2806816534 in words is "two billion, eight hundred six million, eight hundred sixteen thousand, five hundred thirty-four".