2142686382 has 16 divisors (see below), whose sum is σ = 4287303552. Its totient is φ = 713907000.

The previous prime is 2142686353. The next prime is 2142686383. The reversal of 2142686382 is 2836862412.

It is a super-2 number, since 2×2142686382² = 9182209863216499848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142686383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65818 + ... + 92829.

It is an arithmetic number, because the mean of its divisors is an integer number (267956472).

Almost surely, 2^2142686382 is an apocalyptic number.

2142686382 is an abundant number, since it is smaller than the sum of its proper divisors (2144617170).

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

2142686382 is a wasteful number, since it uses less digits than its factorization.

2142686382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160903.

The product of its digits is 221184, while the sum is 42.

The square root of 2142686382 is about 46289.1605238203. The cubic root of 2142686382 is about 1289.1977428681.

The spelling of 2142686382 in words is "two billion, one hundred forty-two million, six hundred eighty-six thousand, three hundred eighty-two".