5571194209 has 12 divisors (see below), whose sum is σ = 6618668544. Its totient is φ = 4673705064.

The previous prime is 5571194207. The next prime is 5571194221. The reversal of 5571194209 is 9024911755.

It is not a de Polignac number, because 5571194209 - 2¹ = 5571194207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5571194207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1207249 + ... + 1211854.

It is an arithmetic number, because the mean of its divisors is an integer number (551555712).

Almost surely, 2^5571194209 is an apocalyptic number.

It is an amenable number.

5571194209 is a deficient number, since it is larger than the sum of its proper divisors (1047474335).

5571194209 is a wasteful number, since it uses less digits than its factorization.

5571194209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419164 (or 2419157 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 43.

The square root of 5571194209 is about 74640.4328028717. The cubic root of 5571194209 is about 1772.7579132973.

The spelling of 5571194209 in words is "five billion, five hundred seventy-one million, one hundred ninety-four thousand, two hundred nine".