1330368709 has 2 divisors, whose sum is σ = 1330368710. Its totient is φ = 1330368708.

The previous prime is 1330368679. The next prime is 1330368727. The reversal of 1330368709 is 9078630331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1317907809 + 12460900 = 36303^2 + 3530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330368709 - 2²⁷ = 1196150981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330368749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665184354 + 665184355.

It is an arithmetic number, because the mean of its divisors is an integer number (665184355).

Almost surely, 2^1330368709 is an apocalyptic number.

It is an amenable number.

1330368709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330368709 is an equidigital number, since it uses as much as digits as its factorization.

1330368709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 1330368709 is about 36474.2197860352. The cubic root of 1330368709 is about 1099.8260631314.

The spelling of 1330368709 in words is "one billion, three hundred thirty million, three hundred sixty-eight thousand, seven hundred nine".