5204021609 has 8 divisors (see below), whose sum is σ = 5459296320. Its totient is φ = 4953802000.

The previous prime is 5204021597. The next prime is 5204021633. The reversal of 5204021609 is 9061204025.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5204021609 - 2⁴ = 5204021593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5204021659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261667 + ... + 1265784.

It is an arithmetic number, because the mean of its divisors is an integer number (682412040).

Almost surely, 2^5204021609 is an apocalyptic number.

It is an amenable number.

5204021609 is a deficient number, since it is larger than the sum of its proper divisors (255274711).

5204021609 is a wasteful number, since it uses less digits than its factorization.

5204021609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527551.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 5204021609 is about 72138.9049611928. The cubic root of 5204021609 is about 1732.9247205911.

The spelling of 5204021609 in words is "five billion, two hundred four million, twenty-one thousand, six hundred nine".