5421717709 has 4 divisors (see below), whose sum is σ = 5477611804. Its totient is φ = 5365823616.

The previous prime is 5421717703. The next prime is 5421717727. The reversal of 5421717709 is 9077171245.

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 3555736900 + 1865980809 = 59630^2 + 43197^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421717709 - 2³ = 5421717701 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 (5421717701) 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, 27946902 + ... + 27947095.

It is an arithmetic number, because the mean of its divisors is an integer number (1369402951).

Almost surely, 2^5421717709 is an apocalyptic number.

It is an amenable number.

5421717709 is a deficient number, since it is larger than the sum of its proper divisors (55894095).

5421717709 is an equidigital number, since it uses as much as digits as its factorization.

5421717709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55894094.

The product of its (nonzero) digits is 123480, while the sum is 43.

The square root of 5421717709 is about 73632.3142988186. The cubic root of 5421717709 is about 1756.7594586322.

The spelling of 5421717709 in words is "five billion, four hundred twenty-one million, seven hundred seventeen thousand, seven hundred nine".