1330009999 has 2 divisors, whose sum is σ = 1330010000. Its totient is φ = 1330009998.

The previous prime is 1330009991. The next prime is 1330010039. The reversal of 1330009999 is 9999000331.

It is a weak prime.

It is an emirp because it is prime and its reverse (9999000331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1330009999 - 2³ = 1330009991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330009991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665004999 + 665005000.

It is an arithmetic number, because the mean of its divisors is an integer number (665005000).

Almost surely, 2^1330009999 is an apocalyptic number.

1330009999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330009999 is an equidigital number, since it uses as much as digits as its factorization.

1330009999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59049, while the sum is 43.

The square root of 1330009999 is about 36469.3021457773. The cubic root of 1330009999 is about 1099.7272048054.

The spelling of 1330009999 in words is "one billion, three hundred thirty million, nine thousand, nine hundred ninety-nine".