2043603457 has 12 divisors (see below), whose sum is σ = 2382162240. Its totient is φ = 1748042856.

The previous prime is 2043603451. The next prime is 2043603503. The reversal of 2043603457 is 7543063402.

It is not a de Polignac number, because 2043603457 - 2⁷ = 2043603329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043603451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18957 + ... + 66682.

It is an arithmetic number, because the mean of its divisors is an integer number (198513520).

Almost surely, 2^2043603457 is an apocalyptic number.

It is an amenable number.

2043603457 is a deficient number, since it is larger than the sum of its proper divisors (338558783).

2043603457 is an equidigital number, since it uses as much as digits as its factorization.

2043603457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86140 (or 86133 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 2043603457 is about 45206.2325017248. The cubic root of 2043603457 is about 1269.0114565410.

Adding to 2043603457 its reverse (7543063402), we get a palindrome (9586666859).

The spelling of 2043603457 in words is "two billion, forty-three million, six hundred three thousand, four hundred fifty-seven".