1713942665 has 4 divisors (see below), whose sum is σ = 2056731204. Its totient is φ = 1371154128.

The previous prime is 1713942631. The next prime is 1713942689. The reversal of 1713942665 is 5662493171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5662493171 = 6553 ⋅864107.

It can be written as a sum of positive squares in 2 ways, for example, as 1044840976 + 669101689 = 32324^2 + 25867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1713942665 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171394262 + ... + 171394271.

It is an arithmetic number, because the mean of its divisors is an integer number (514182801).

Almost surely, 2^1713942665 is an apocalyptic number.

It is an amenable number.

1713942665 is a deficient number, since it is larger than the sum of its proper divisors (342788539).

1713942665 is an equidigital number, since it uses as much as digits as its factorization.

1713942665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342788538.

The product of its digits is 272160, while the sum is 44.

The square root of 1713942665 is about 41399.7906395672. The cubic root of 1713942665 is about 1196.7371233396.

The spelling of 1713942665 in words is "one billion, seven hundred thirteen million, nine hundred forty-two thousand, six hundred sixty-five".