4086970209 has 16 divisors (see below), whose sum is σ = 6919738240. Its totient is φ = 2335411440.

The previous prime is 4086970207. The next prime is 4086970229. The reversal of 4086970209 is 9020796804.

It is a happy number.

It is not a de Polignac number, because 4086970209 - 2¹ = 4086970207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4086970207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10811902 + ... + 10812279.

It is an arithmetic number, because the mean of its divisors is an integer number (432483640).

Almost surely, 2^4086970209 is an apocalyptic number.

It is an amenable number.

4086970209 is a deficient number, since it is larger than the sum of its proper divisors (2832768031).

4086970209 is a wasteful number, since it uses less digits than its factorization.

4086970209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21624197 (or 21624191 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 4086970209 is about 63929.4158349660. The cubic root of 4086970209 is about 1598.8233809053.

The spelling of 4086970209 in words is "four billion, eighty-six million, nine hundred seventy thousand, two hundred nine".