1473485780909 has 2 divisors, whose sum is σ = 1473485780910. Its totient is φ = 1473485780908.

The previous prime is 1473485780797. The next prime is 1473485780927. The reversal of 1473485780909 is 9090875843741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1045536925225 + 427948855684 = 1022515^2 + 654178^2 .

It is a cyclic number.

It is not a de Polignac number, because 1473485780909 - 2¹² = 1473485776813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1473485780939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736742890454 + 736742890455.

It is an arithmetic number, because the mean of its divisors is an integer number (736742890455).

Almost surely, 2^{1473485780909} is an apocalyptic number.

It is an amenable number.

1473485780909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1473485780909 is an equidigital number, since it uses as much as digits as its factorization.

1473485780909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 1473485780909 in words is "one trillion, four hundred seventy-three billion, four hundred eighty-five million, seven hundred eighty thousand, nine hundred nine".