5709820217 has 4 divisors (see below), whose sum is σ = 5725128420. Its totient is φ = 5694512016.

The previous prime is 5709820133. The next prime is 5709820261. The reversal of 5709820217 is 7120289075.

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 1991747641 + 3718072576 = 44629^2 + 60976^2 .

It is a cyclic number.

It is not a de Polignac number, because 5709820217 - 2¹⁴ = 5709803833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5709825217) 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, 7653542 + ... + 7654287.

It is an arithmetic number, because the mean of its divisors is an integer number (1431282105).

Almost surely, 2^5709820217 is an apocalyptic number.

It is an amenable number.

5709820217 is a deficient number, since it is larger than the sum of its proper divisors (15308203).

5709820217 is a wasteful number, since it uses less digits than its factorization.

5709820217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15308202.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 5709820217 is about 75563.3523409331. The cubic root of 5709820217 is about 1787.3412477201.

The spelling of 5709820217 in words is "five billion, seven hundred nine million, eight hundred twenty thousand, two hundred seventeen".