5071399209 has 12 divisors (see below), whose sum is σ = 7326233200. Its totient is φ = 3380527224.

The previous prime is 5071399189. The next prime is 5071399211. The reversal of 5071399209 is 9029931705.

It is a happy number.

5071399209 is a `hidden beast` number, since 50 + 7 + 1 + 399 + 209 = 666.

5071399209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5071399209 - 2⁸ = 5071398953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5071399219) 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, 58722 + ... + 116580.

Almost surely, 2^5071399209 is an apocalyptic number.

It is an amenable number.

5071399209 is a deficient number, since it is larger than the sum of its proper divisors (2254833991).

5071399209 is a wasteful number, since it uses less digits than its factorization.

5071399209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67604 (or 67601 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 5071399209 is about 71213.7571610991. The cubic root of 5071399209 is about 1718.0769033803.

The spelling of 5071399209 in words is "five billion, seventy-one million, three hundred ninety-nine thousand, two hundred nine".