1330248389 has 2 divisors, whose sum is σ = 1330248390. Its totient is φ = 1330248388.

The previous prime is 1330248371. The next prime is 1330248407. The reversal of 1330248389 is 9838420331.

It is a balanced prime because it is at equal distance from previous prime (1330248371) and next prime (1330248407).

It can be written as a sum of positive squares in only one way, i.e., 1330060900 + 187489 = 36470^2 + 433^2 .

It is an emirp because it is prime and its reverse (9838420331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330248389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330248319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665124194 + 665124195.

It is an arithmetic number, because the mean of its divisors is an integer number (665124195).

Almost surely, 2^1330248389 is an apocalyptic number.

It is an amenable number.

1330248389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330248389 is an equidigital number, since it uses as much as digits as its factorization.

1330248389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 1330248389 is about 36472.5703645904. The cubic root of 1330248389 is about 1099.7929056414.

The spelling of 1330248389 in words is "one billion, three hundred thirty million, two hundred forty-eight thousand, three hundred eighty-nine".