2043137728 has 14 divisors (see below), whose sum is σ = 4054351556. Its totient is φ = 1021568832.

The previous prime is 2043137717. The next prime is 2043137729. The reversal of 2043137728 is 8277313402.

It is not an unprimeable number, because it can be changed into a prime (2043137729) by changing a digit.

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, 15961950 + ... + 15962077.

Almost surely, 2^2043137728 is an apocalyptic number.

It is an amenable number.

2043137728 is a deficient number, since it is larger than the sum of its proper divisors (2011213828).

2043137728 is an equidigital number, since it uses as much as digits as its factorization.

2043137728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31924039 (or 31924029 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 2043137728 is about 45201.0810490192. The cubic root of 2043137728 is about 1268.9150483497.

The spelling of 2043137728 in words is "two billion, forty-three million, one hundred thirty-seven thousand, seven hundred twenty-eight".