1330545329 has 2 divisors, whose sum is σ = 1330545330. Its totient is φ = 1330545328.

The previous prime is 1330545287. The next prime is 1330545347. The reversal of 1330545329 is 9235450331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1271992225 + 58553104 = 35665^2 + 7652^2 .

It is an emirp because it is prime and its reverse (9235450331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330545329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1330545379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665272664 + 665272665.

It is an arithmetic number, because the mean of its divisors is an integer number (665272665).

Almost surely, 2^1330545329 is an apocalyptic number.

It is an amenable number.

1330545329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330545329 is an equidigital number, since it uses as much as digits as its factorization.

1330545329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 1330545329 is about 36476.6408678211. The cubic root of 1330545329 is about 1099.8747320160.

The spelling of 1330545329 in words is "one billion, three hundred thirty million, five hundred forty-five thousand, three hundred twenty-nine".