2108982826686 has 32 divisors (see below), whose sum is σ = 4272368244768. Its totient is φ = 693968486400.

The previous prime is 2108982826681. The next prime is 2108982826693. The reversal of 2108982826686 is 6866282898012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108982826681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4959235 + ... + 5367678.

It is an arithmetic number, because the mean of its divisors is an integer number (133511507649).

Almost surely, 2^{2108982826686} is an apocalyptic number.

2108982826686 is an abundant number, since it is smaller than the sum of its proper divisors (2163385418082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2108982826686 is a wasteful number, since it uses less digits than its factorization.

2108982826686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10327356.

The product of its (nonzero) digits is 63700992, while the sum is 66.

The spelling of 2108982826686 in words is "two trillion, one hundred eight billion, nine hundred eighty-two million, eight hundred twenty-six thousand, six hundred eighty-six".