1375330009 has 2 divisors, whose sum is σ = 1375330010. Its totient is φ = 1375330008.

The previous prime is 1375329983. The next prime is 1375330031. The reversal of 1375330009 is 9000335731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 785568784 + 589761225 = 28028^2 + 24285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375330009 - 2¹⁵ = 1375297241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1375330049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687665004 + 687665005.

It is an arithmetic number, because the mean of its divisors is an integer number (687665005).

Almost surely, 2^1375330009 is an apocalyptic number.

It is an amenable number.

1375330009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375330009 is an equidigital number, since it uses as much as digits as its factorization.

1375330009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 1375330009 is about 37085.4420089609. The cubic root of 1375330009 is about 1112.0789997983.

The spelling of 1375330009 in words is "one billion, three hundred seventy-five million, three hundred thirty thousand, nine".