1073485387609 has 2 divisors, whose sum is σ = 1073485387610. Its totient is φ = 1073485387608.

The previous prime is 1073485387577. The next prime is 1073485387661. The reversal of 1073485387609 is 9067835843701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 945664837209 + 127820550400 = 972453^2 + 357520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073485387609 - 2⁵ = 1073485387577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1073485387669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536742693804 + 536742693805.

It is an arithmetic number, because the mean of its divisors is an integer number (536742693805).

Almost surely, 2^{1073485387609} is an apocalyptic number.

It is an amenable number.

1073485387609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073485387609 is an equidigital number, since it uses as much as digits as its factorization.

1073485387609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 1073485387609 in words is "one trillion, seventy-three billion, four hundred eighty-five million, three hundred eighty-seven thousand, six hundred nine".