1330249013 has 2 divisors, whose sum is σ = 1330249014. Its totient is φ = 1330249012.

The previous prime is 1330249009. The next prime is 1330249079. The reversal of 1330249013 is 3109420331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1235030449 + 95218564 = 35143^2 + 9758^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330249013 - 2² = 1330249009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330249093) 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, 665124506 + 665124507.

It is an arithmetic number, because the mean of its divisors is an integer number (665124507).

Almost surely, 2^1330249013 is an apocalyptic number.

It is an amenable number.

1330249013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330249013 is an equidigital number, since it uses as much as digits as its factorization.

1330249013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1330249013 is about 36472.5789189632. The cubic root of 1330249013 is about 1099.7930776069.

Adding to 1330249013 its reverse (3109420331), we get a palindrome (4439669344).

The spelling of 1330249013 in words is "one billion, three hundred thirty million, two hundred forty-nine thousand, thirteen".