2043655312 has 10 divisors (see below), whose sum is σ = 3959582198. Its totient is φ = 1021827648.

The previous prime is 2043655297. The next prime is 2043655337. The reversal of 2043655312 is 2135563402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1025024256 + 1018631056 = 32016^2 + 31916^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63864213 + ... + 63864244.

Almost surely, 2^2043655312 is an apocalyptic number.

It is an amenable number.

2043655312 is a deficient number, since it is larger than the sum of its proper divisors (1915926886).

2043655312 is a wasteful number, since it uses less digits than its factorization.

2043655312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127728465 (or 127728459 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2043655312 is about 45206.8060362596. The cubic root of 2043655312 is about 1269.0221898745.

The spelling of 2043655312 in words is "two billion, forty-three million, six hundred fifty-five thousand, three hundred twelve".