2043681819732 has 36 divisors (see below), whose sum is σ = 5903969702176. Its totient is φ = 583909091280.

The previous prime is 2043681819719. The next prime is 2043681819743. The reversal of 2043681819732 is 2379181863402.

It is a happy number.

2043681819732 is a `hidden beast` number, since 2 + 0 + 436 + 8 + 18 + 197 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4054923994 + ... + 4054924497.

Almost surely, 2^{2043681819732} is an apocalyptic number.

It is an amenable number.

2043681819732 is an abundant number, since it is smaller than the sum of its proper divisors (3860287882444).

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

2043681819732 is a wasteful number, since it uses less digits than its factorization.

2043681819732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8109848508 (or 8109848503 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 2043681819732 in words is "two trillion, forty-three billion, six hundred eighty-one million, eight hundred nineteen thousand, seven hundred thirty-two".