1330332989 has 2 divisors, whose sum is σ = 1330332990. Its totient is φ = 1330332988.

The previous prime is 1330332967. The next prime is 1330333021. The reversal of 1330332989 is 9892330331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083528889 + 246804100 = 32917^2 + 15710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330332989 - 2⁸ = 1330332733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330332919) 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, 665166494 + 665166495.

It is an arithmetic number, because the mean of its divisors is an integer number (665166495).

Almost surely, 2^1330332989 is an apocalyptic number.

It is an amenable number.

1330332989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330332989 is an equidigital number, since it uses as much as digits as its factorization.

1330332989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 1330332989 is about 36473.7301218288. The cubic root of 1330332989 is about 1099.8162197102.

The spelling of 1330332989 in words is "one billion, three hundred thirty million, three hundred thirty-two thousand, nine hundred eighty-nine".