4140649209 has 8 divisors (see below), whose sum is σ = 5524477792. Its totient is φ = 2758626720.

The previous prime is 4140649189. The next prime is 4140649277. The reversal of 4140649209 is 9029460414.

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

It is not a de Polignac number, because 4140649209 - 2⁹ = 4140648697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4140649109) 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, 446164 + ... + 455349.

It is an arithmetic number, because the mean of its divisors is an integer number (690559724).

Almost surely, 2^4140649209 is an apocalyptic number.

It is an amenable number.

4140649209 is a deficient number, since it is larger than the sum of its proper divisors (1383828583).

4140649209 is a wasteful number, since it uses less digits than its factorization.

4140649209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903047.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 4140649209 is about 64347.8764917693. The cubic root of 4140649209 is about 1605.7927016588.

The spelling of 4140649209 in words is "four billion, one hundred forty million, six hundred forty-nine thousand, two hundred nine".