1442323349 has 2 divisors, whose sum is σ = 1442323350. Its totient is φ = 1442323348.

The previous prime is 1442323331. The next prime is 1442323369. The reversal of 1442323349 is 9433232441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 809800849 + 632522500 = 28457^2 + 25150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442323349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442323319) 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, 721161674 + 721161675.

It is an arithmetic number, because the mean of its divisors is an integer number (721161675).

Almost surely, 2^1442323349 is an apocalyptic number.

It is an amenable number.

1442323349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442323349 is an equidigital number, since it uses as much as digits as its factorization.

1442323349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 35.

The square root of 1442323349 is about 37977.9323950107. The cubic root of 1442323349 is about 1129.8502291908.

The spelling of 1442323349 in words is "one billion, four hundred forty-two million, three hundred twenty-three thousand, three hundred forty-nine".