2812660988 has 12 divisors (see below), whose sum is σ = 4950609720. Its totient is φ = 1398201072.

The previous prime is 2812660987. The next prime is 2812660993. The reversal of 2812660988 is 8890662182.

It is a super-2 number, since 2×2812660988² = 15822123666834272288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812660987) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2031578 + ... + 2032961.

It is an arithmetic number, because the mean of its divisors is an integer number (412550810).

Almost surely, 2^2812660988 is an apocalyptic number.

It is an amenable number.

2812660988 is a deficient number, since it is larger than the sum of its proper divisors (2137948732).

2812660988 is a wasteful number, since it uses less digits than its factorization.

2812660988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064716 (or 4064714 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 2812660988 is about 53034.5263766916. The cubic root of 2812660988 is about 1411.5809753425.

The spelling of 2812660988 in words is "two billion, eight hundred twelve million, six hundred sixty thousand, nine hundred eighty-eight".