2881280906 has 16 divisors (see below), whose sum is σ = 5109661440. Its totient is φ = 1192254000.

The previous prime is 2881280881. The next prime is 2881280917. The reversal of 2881280906 is 6090821882.

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 7 ways as a sum of consecutive naturals, for example, 3547970 + ... + 3548781.

It is an arithmetic number, because the mean of its divisors is an integer number (319353840).

Almost surely, 2^2881280906 is an apocalyptic number.

2881280906 is a deficient number, since it is larger than the sum of its proper divisors (2228380534).

2881280906 is a wasteful number, since it uses less digits than its factorization.

2881280906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7096789.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 2881280906 is about 53677.5642703728. The cubic root of 2881280906 is about 1422.9682185874.

The spelling of 2881280906 in words is "two billion, eight hundred eighty-one million, two hundred eighty thousand, nine hundred six".