2142718386 has 32 divisors (see below), whose sum is σ = 4539924288. Its totient is φ = 671869440.

The previous prime is 2142718379. The next prime is 2142718427. The reversal of 2142718386 is 6838172412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241566 + ... + 250278.

It is an arithmetic number, because the mean of its divisors is an integer number (141872634).

Almost surely, 2^2142718386 is an apocalyptic number.

2142718386 is an abundant number, since it is smaller than the sum of its proper divisors (2397205902).

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

2142718386 is a wasteful number, since it uses less digits than its factorization.

2142718386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11146.

The product of its digits is 129024, while the sum is 42.

The square root of 2142718386 is about 46289.5062190125. The cubic root of 2142718386 is about 1289.2041614897.

The spelling of 2142718386 in words is "two billion, one hundred forty-two million, seven hundred eighteen thousand, three hundred eighty-six".