2146943543872 has 56 divisors (see below), whose sum is σ = 4271462323200. Its totient is φ = 1070672977920.

The previous prime is 2146943543869. The next prime is 2146943543893. The reversal of 2146943543872 is 2783453496412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41645472 + ... + 41696992.

Almost surely, 2^{2146943543872} is an apocalyptic number.

It is an amenable number.

2146943543872 is a deficient number, since it is larger than the sum of its proper divisors (2124518779328).

2146943543872 is a wasteful number, since it uses less digits than its factorization.

2146943543872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53219 (or 53209 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 58.

The spelling of 2146943543872 in words is "two trillion, one hundred forty-six billion, nine hundred forty-three million, five hundred forty-three thousand, eight hundred seventy-two".