5646772717 has 4 divisors (see below), whose sum is σ = 5978935836. Its totient is φ = 5314609600.

The previous prime is 5646772709. The next prime is 5646772753. The reversal of 5646772717 is 7172776465.

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 1712221641 + 3934551076 = 41379^2 + 62726^2 .

It is a cyclic number.

It is not a de Polignac number, because 5646772717 - 2³ = 5646772709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5646772217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166081534 + ... + 166081567.

It is an arithmetic number, because the mean of its divisors is an integer number (1494733959).

Almost surely, 2^5646772717 is an apocalyptic number.

It is an amenable number.

5646772717 is a deficient number, since it is larger than the sum of its proper divisors (332163119).

5646772717 is a wasteful number, since it uses less digits than its factorization.

5646772717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332163118.

The product of its digits is 3457440, while the sum is 52.

The square root of 5646772717 is about 75145.0112582332. The cubic root of 5646772717 is about 1780.7383122645.

The spelling of 5646772717 in words is "five billion, six hundred forty-six million, seven hundred seventy-two thousand, seven hundred seventeen".