5609009794 has 4 divisors (see below), whose sum is σ = 8413514694. Its totient is φ = 2804504896.

The previous prime is 5609009753. The next prime is 5609009803. The reversal of 5609009794 is 4979009065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4181303569 + 1427706225 = 64663^2 + 37785^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402252447 + ... + 1402252450.

Almost surely, 2^5609009794 is an apocalyptic number.

5609009794 is a deficient number, since it is larger than the sum of its proper divisors (2804504900).

5609009794 is a wasteful number, since it uses less digits than its factorization.

5609009794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804504899.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 5609009794 is about 74893.3227597761. The cubic root of 5609009794 is about 1776.7598541626.

The spelling of 5609009794 in words is "five billion, six hundred nine million, nine thousand, seven hundred ninety-four".