2112586637690 has 16 divisors (see below), whose sum is σ = 3828177131400. Its totient is φ = 839363280960.

The previous prime is 2112586637659. The next prime is 2112586637713. The reversal of 2112586637690 is 967366852112.

It can be written as a sum of positive squares in 4 ways, for example, as 1163164407001 + 949422230689 = 1078501^2 + 974383^2 .

It is a super-2 number, since 2×2112586637690² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708920201 + ... + 708923180.

Almost surely, 2^{2112586637690} is an apocalyptic number.

2112586637690 is a deficient number, since it is larger than the sum of its proper divisors (1715590493710).

2112586637690 is a wasteful number, since it uses less digits than its factorization.

2112586637690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417843537.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 2112586637690 in words is "two trillion, one hundred twelve billion, five hundred eighty-six million, six hundred thirty-seven thousand, six hundred ninety".