5423725309 has 4 divisors (see below), whose sum is σ = 5460126300. Its totient is φ = 5387324320.

The previous prime is 5423725291. The next prime is 5423725337. The reversal of 5423725309 is 9035273245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9035273245 = 5 ⋅1807054649.

It can be written as a sum of positive squares in 2 ways, for example, as 1929142084 + 3494583225 = 43922^2 + 59115^2 .

It is a cyclic number.

It is not a de Polignac number, because 5423725309 - 2⁵ = 5423725277 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5423725379) 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, 18200272 + ... + 18200569.

It is an arithmetic number, because the mean of its divisors is an integer number (1365031575).

Almost surely, 2^5423725309 is an apocalyptic number.

It is an amenable number.

5423725309 is a deficient number, since it is larger than the sum of its proper divisors (36400991).

5423725309 is a wasteful number, since it uses less digits than its factorization.

5423725309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36400990.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 5423725309 is about 73645.9456385754. The cubic root of 5423725309 is about 1756.9762678458.

The spelling of 5423725309 in words is "five billion, four hundred twenty-three million, seven hundred twenty-five thousand, three hundred nine".