1717170944479 has 4 divisors (see below), whose sum is σ = 1725799944400. Its totient is φ = 1708541944560.

The previous prime is 1717170944477. The next prime is 1717170944483. The reversal of 1717170944479 is 9744490717171.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1717170944479 - 2¹ = 1717170944477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1717170944477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4314499662 + ... + 4314500059.

It is an arithmetic number, because the mean of its divisors is an integer number (431449986100).

Almost surely, 2^{1717170944479} is an apocalyptic number.

1717170944479 is a deficient number, since it is larger than the sum of its proper divisors (8628999921).

1717170944479 is an equidigital number, since it uses as much as digits as its factorization.

1717170944479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8628999920.

The product of its (nonzero) digits is 12446784, while the sum is 61.

The spelling of 1717170944479 in words is "one trillion, seven hundred seventeen billion, one hundred seventy million, nine hundred forty-four thousand, four hundred seventy-nine".