2143418468 has 12 divisors (see below), whose sum is σ = 3751602540. Its totient is φ = 1071532032.

The previous prime is 2143418437. The next prime is 2143418489. The reversal of 2143418468 is 8648143412.

It can be written as a sum of positive squares in 2 ways, for example, as 66064384 + 2077354084 = 8128^2 + 45578^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14921 + ... + 67152.

It is an arithmetic number, because the mean of its divisors is an integer number (312633545).

Almost surely, 2^2143418468 is an apocalyptic number.

It is an amenable number.

2143418468 is a deficient number, since it is larger than the sum of its proper divisors (1608184072).

2143418468 is a wasteful number, since it uses less digits than its factorization.

2143418468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88606 (or 88604 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 2143418468 is about 46297.0675961232. The cubic root of 2143418468 is about 1289.3445517460.

The spelling of 2143418468 in words is "two billion, one hundred forty-three million, four hundred eighteen thousand, four hundred sixty-eight".