2112881659 has 8 divisors (see below), whose sum is σ = 2473617888. Its totient is φ = 1766869440.

The previous prime is 2112881629. The next prime is 2112881689. The reversal of 2112881659 is 9561882112.

It is an interprime number because it is at equal distance from previous prime (2112881629) and next prime (2112881689).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112881659 - 2⁷ = 2112881531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112881629) 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 7 ways as a sum of consecutive naturals, for example, 3680692 + ... + 3681265.

It is an arithmetic number, because the mean of its divisors is an integer number (309202236).

Almost surely, 2^2112881659 is an apocalyptic number.

2112881659 is a deficient number, since it is larger than the sum of its proper divisors (360736229).

2112881659 is an equidigital number, since it uses as much as digits as its factorization.

2112881659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7362005.

The product of its digits is 69120, while the sum is 43.

The square root of 2112881659 is about 45966.0924921838. The cubic root of 2112881659 is about 1283.1922394535.

The spelling of 2112881659 in words is "two billion, one hundred twelve million, eight hundred eighty-one thousand, six hundred fifty-nine".