2091886862986 has 16 divisors (see below), whose sum is σ = 3140521862400. Its totient is φ = 1045046535408.

The previous prime is 2091886862959. The next prime is 2091886863007. The reversal of 2091886862986 is 6892686881902.

It is an unprimeable number.

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, 14843260 + ... + 14983528.

It is an arithmetic number, because the mean of its divisors is an integer number (196282616400).

Almost surely, 2^{2091886862986} is an apocalyptic number.

2091886862986 is a deficient number, since it is larger than the sum of its proper divisors (1048634999414).

2091886862986 is a wasteful number, since it uses less digits than its factorization.

2091886862986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146613.

The product of its (nonzero) digits is 286654464, while the sum is 73.

The spelling of 2091886862986 in words is "two trillion, ninety-one billion, eight hundred eighty-six million, eight hundred sixty-two thousand, nine hundred eighty-six".