2866949806 has 16 divisors (see below), whose sum is σ = 4916018016. Its totient is φ = 1228381056.

The previous prime is 2866949801. The next prime is 2866949809. The reversal of 2866949806 is 6089496682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2866949801) 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, 36330 + ... + 83986.

It is an arithmetic number, because the mean of its divisors is an integer number (307251126).

Almost surely, 2^2866949806 is an apocalyptic number.

2866949806 is a deficient number, since it is larger than the sum of its proper divisors (2049068210).

2866949806 is a wasteful number, since it uses less digits than its factorization.

2866949806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51963.

The product of its (nonzero) digits is 8957952, while the sum is 58.

The square root of 2866949806 is about 53543.9054048171. The cubic root of 2866949806 is about 1420.6050793663.

The spelling of 2866949806 in words is "two billion, eight hundred sixty-six million, nine hundred forty-nine thousand, eight hundred six".