1017385280773 has 2 divisors, whose sum is σ = 1017385280774. Its totient is φ = 1017385280772.

The previous prime is 1017385280771. The next prime is 1017385280833. The reversal of 1017385280773 is 3770825837101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 942378860644 + 75006420129 = 970762^2 + 273873^2 .

It is an emirp because it is prime and its reverse (3770825837101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1017385280773 - 2¹ = 1017385280771 is a prime.

Together with 1017385280771, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1017385280773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1017385280771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508692640386 + 508692640387.

It is an arithmetic number, because the mean of its divisors is an integer number (508692640387).

Almost surely, 2^{1017385280773} is an apocalyptic number.

It is an amenable number.

1017385280773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1017385280773 is an equidigital number, since it uses as much as digits as its factorization.

1017385280773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 1017385280773 in words is "one trillion, seventeen billion, three hundred eighty-five million, two hundred eighty thousand, seven hundred seventy-three".