2881284633 has 12 divisors (see below), whose sum is σ = 4240381860. Its totient is φ = 1884613536.

The previous prime is 2881284613. The next prime is 2881284643. The reversal of 2881284633 is 3364821882.

2881284633 is a `hidden beast` number, since 2 + 8 + 8 + 1 + 2 + 8 + 4 + 633 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2185749504 + 695535129 = 46752^2 + 26373^2 .

It is not a de Polignac number, because 2881284633 - 2¹³ = 2881276441 is a prime.

It is a super-2 number, since 2×2881284633² = 16603602272723889378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2881284613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3019738 + ... + 3020691.

It is an arithmetic number, because the mean of its divisors is an integer number (353365155).

Almost surely, 2^2881284633 is an apocalyptic number.

It is an amenable number.

2881284633 is a deficient number, since it is larger than the sum of its proper divisors (1359097227).

2881284633 is a wasteful number, since it uses less digits than its factorization.

2881284633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040488 (or 6040485 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 2881284633 is about 53677.5989869145. The cubic root of 2881284633 is about 1422.9688321340.

The spelling of 2881284633 in words is "two billion, eight hundred eighty-one million, two hundred eighty-four thousand, six hundred thirty-three".