1234443449 has 2 divisors, whose sum is σ = 1234443450. Its totient is φ = 1234443448.

The previous prime is 1234443401. The next prime is 1234443451. The reversal of 1234443449 is 9443444321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 882505849 + 351937600 = 29707^2 + 18760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1234443449 is a prime.

Together with 1234443451, 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 (1234445449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617221724 + 617221725.

It is an arithmetic number, because the mean of its divisors is an integer number (617221725).

Almost surely, 2^1234443449 is an apocalyptic number.

It is an amenable number.

1234443449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234443449 is an equidigital number, since it uses as much as digits as its factorization.

1234443449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 38.

The square root of 1234443449 is about 35134.6474153363. The cubic root of 1234443449 is about 1072.7299344904.

The spelling of 1234443449 in words is "one billion, two hundred thirty-four million, four hundred forty-three thousand, four hundred forty-nine".