1300321202009 has 2 divisors, whose sum is σ = 1300321202010. Its totient is φ = 1300321202008.

The previous prime is 1300321201997. The next prime is 1300321202129. The reversal of 1300321202009 is 9002021230031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1296910992400 + 3410209609 = 1138820^2 + 58397^2 .

It is a cyclic number.

It is not a de Polignac number, because 1300321202009 - 2²⁸ = 1300052766553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1300321201009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650160601004 + 650160601005.

It is an arithmetic number, because the mean of its divisors is an integer number (650160601005).

Almost surely, 2^{1300321202009} is an apocalyptic number.

It is an amenable number.

1300321202009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300321202009 is an equidigital number, since it uses as much as digits as its factorization.

1300321202009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 1300321202009 in words is "one trillion, three hundred billion, three hundred twenty-one million, two hundred two thousand, nine".