2043038449 has 2 divisors, whose sum is σ = 2043038450. Its totient is φ = 2043038448.

The previous prime is 2043038447. The next prime is 2043038497. The reversal of 2043038449 is 9448303402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1286513424 + 756525025 = 35868^2 + 27505^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043038449 - 2¹ = 2043038447 is a prime.

It is a super-2 number, since 2×2043038449² = 8348012208184651202, which contains 22 as substring.

Together with 2043038447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2043038447) 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, 1021519224 + 1021519225.

It is an arithmetic number, because the mean of its divisors is an integer number (1021519225).

Almost surely, 2^2043038449 is an apocalyptic number.

It is an amenable number.

2043038449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043038449 is an equidigital number, since it uses as much as digits as its factorization.

2043038449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 2043038449 is about 45199.9828429171. The cubic root of 2043038449 is about 1268.8944952145.

The spelling of 2043038449 in words is "two billion, forty-three million, thirty-eight thousand, four hundred forty-nine".