2686208142 has 16 divisors (see below), whose sum is σ = 5406637392. Its totient is φ = 889699200.

The previous prime is 2686208141. The next prime is 2686208167. The reversal of 2686208142 is 2418026862.

It is a self number, because there is not a number n which added to its sum of digits gives 2686208142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686208141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424859 + ... + 1426742.

It is an arithmetic number, because the mean of its divisors is an integer number (337914837).

Almost surely, 2^2686208142 is an apocalyptic number.

2686208142 is an abundant number, since it is smaller than the sum of its proper divisors (2720429250).

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

2686208142 is a wasteful number, since it uses less digits than its factorization.

2686208142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851763.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 2686208142 is about 51828.6421006763. The cubic root of 2686208142 is about 1390.1016336155.

The spelling of 2686208142 in words is "two billion, six hundred eighty-six million, two hundred eight thousand, one hundred forty-two".