1413511806809 has 2 divisors, whose sum is σ = 1413511806810. Its totient is φ = 1413511806808.

The previous prime is 1413511806799. The next prime is 1413511806841. The reversal of 1413511806809 is 9086081153141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1172828352784 + 240683454025 = 1082972^2 + 490595^2 .

It is a cyclic number.

It is not a de Polignac number, because 1413511806809 - 2⁴⁰ = 314000179033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1413511706809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706755903404 + 706755903405.

It is an arithmetic number, because the mean of its divisors is an integer number (706755903405).

Almost surely, 2^{1413511806809} is an apocalyptic number.

It is an amenable number.

1413511806809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1413511806809 is an equidigital number, since it uses as much as digits as its factorization.

1413511806809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 47.

The spelling of 1413511806809 in words is "one trillion, four hundred thirteen billion, five hundred eleven million, eight hundred six thousand, eight hundred nine".