2143264686 has 16 divisors (see below), whose sum is σ = 4288626000. Its totient is φ = 714072128.

The previous prime is 2143264679. The next prime is 2143264687. The reversal of 2143264686 is 6864623412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143264687) 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, 73911 + ... + 98738.

It is an arithmetic number, because the mean of its divisors is an integer number (268039125).

Almost surely, 2^2143264686 is an apocalyptic number.

2143264686 is an abundant number, since it is smaller than the sum of its proper divisors (2145361314).

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

2143264686 is a wasteful number, since it uses less digits than its factorization.

2143264686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174723.

The product of its digits is 331776, while the sum is 42.

The square root of 2143264686 is about 46295.4067484022. The cubic root of 2143264686 is about 1289.3137158439.

The spelling of 2143264686 in words is "two billion, one hundred forty-three million, two hundred sixty-four thousand, six hundred eighty-six".