2003043349 has 2 divisors, whose sum is σ = 2003043350. Its totient is φ = 2003043348.

The previous prime is 2003043347. The next prime is 2003043353. The reversal of 2003043349 is 9433403002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1725820849 + 277222500 = 41543^2 + 16650^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003043349 - 2¹ = 2003043347 is a prime.

Together with 2003043347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2003043347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001521674 + 1001521675.

It is an arithmetic number, because the mean of its divisors is an integer number (1001521675).

Almost surely, 2^2003043349 is an apocalyptic number.

It is an amenable number.

2003043349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003043349 is an equidigital number, since it uses as much as digits as its factorization.

2003043349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 2003043349 is about 44755.3722920500. The cubic root of 2003043349 is about 1260.5597892644.

The spelling of 2003043349 in words is "two billion, three million, forty-three thousand, three hundred forty-nine".