1330434449 has 2 divisors, whose sum is σ = 1330434450. Its totient is φ = 1330434448.

The previous prime is 1330434439. The next prime is 1330434481. The reversal of 1330434449 is 9444340331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 908419600 + 422014849 = 30140^2 + 20543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330434449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1330434439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665217224 + 665217225.

It is an arithmetic number, because the mean of its divisors is an integer number (665217225).

Almost surely, 2^1330434449 is an apocalyptic number.

It is an amenable number.

1330434449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330434449 is an equidigital number, since it uses as much as digits as its factorization.

1330434449 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1330434449 is about 36475.1209593608. The cubic root of 1330434449 is about 1099.8441787545.

The spelling of 1330434449 in words is "one billion, three hundred thirty million, four hundred thirty-four thousand, four hundred forty-nine".