1713745779677 has 4 divisors (see below), whose sum is σ = 1714569302076. Its totient is φ = 1712922257280.

The previous prime is 1713745779623. The next prime is 1713745779689. The reversal of 1713745779677 is 7769775473171.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 277664709721 + 1436081069956 = 526939^2 + 1198366^2 .

It is a cyclic number.

It is not a de Polignac number, because 1713745779677 - 2¹⁰ = 1713745778653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1713745779677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1713745779617) 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 in 3 ways as a sum of consecutive naturals, for example, 411758078 + ... + 411762239.

It is an arithmetic number, because the mean of its divisors is an integer number (428642325519).

Almost surely, 2^{1713745779677} is an apocalyptic number.

It is an amenable number.

1713745779677 is a deficient number, since it is larger than the sum of its proper divisors (823522399).

1713745779677 is an equidigital number, since it uses as much as digits as its factorization.

1713745779677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823522398.

The product of its digits is 381182760, while the sum is 71.

The spelling of 1713745779677 in words is "one trillion, seven hundred thirteen billion, seven hundred forty-five million, seven hundred seventy-nine thousand, six hundred seventy-seven".