3849297449 has 2 divisors, whose sum is σ = 3849297450. Its totient is φ = 3849297448.

The previous prime is 3849297407. The next prime is 3849297451. The reversal of 3849297449 is 9447929483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3838669849 + 10627600 = 61957^2 + 3260^2 .

It is an emirp because it is prime and its reverse (9447929483) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3849297449 is a prime.

Together with 3849297451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3849297499) 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 as a sum of consecutive naturals, namely, 1924648724 + 1924648725.

It is an arithmetic number, because the mean of its divisors is an integer number (1924648725).

Almost surely, 2^3849297449 is an apocalyptic number.

It is an amenable number.

3849297449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3849297449 is an equidigital number, since it uses as much as digits as its factorization.

3849297449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15676416, while the sum is 59.

The square root of 3849297449 is about 62042.7066543683. The cubic root of 3849297449 is about 1567.2098670827.

The spelling of 3849297449 in words is "three billion, eight hundred forty-nine million, two hundred ninety-seven thousand, four hundred forty-nine".