2043071449 has 4 divisors (see below), whose sum is σ = 2044934964. Its totient is φ = 2041207936.

The previous prime is 2043071417. The next prime is 2043071497. The reversal of 2043071449 is 9441703402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 868775625 + 1174295824 = 29475^2 + 34268^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043071449 - 2⁵ = 2043071417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043071249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930112 + ... + 932305.

It is an arithmetic number, because the mean of its divisors is an integer number (511233741).

Almost surely, 2^2043071449 is an apocalyptic number.

It is an amenable number.

2043071449 is a deficient number, since it is larger than the sum of its proper divisors (1863515).

2043071449 is a wasteful number, since it uses less digits than its factorization.

2043071449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863514.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2043071449 is about 45200.3478858294. The cubic root of 2043071449 is about 1268.9013270802.

The spelling of 2043071449 in words is "two billion, forty-three million, seventy-one thousand, four hundred forty-nine".