4009948217 has 8 divisors (see below), whose sum is σ = 4375428960. Its totient is φ = 3644624160.

The previous prime is 4009948213. The next prime is 4009948237. The reversal of 4009948217 is 7128499004.

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

It is a cyclic number.

It is not a de Polignac number, because 4009948217 - 2² = 4009948213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4009948213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17978 + ... + 91340.

It is an arithmetic number, because the mean of its divisors is an integer number (546928620).

Almost surely, 2^4009948217 is an apocalyptic number.

It is an amenable number.

4009948217 is a deficient number, since it is larger than the sum of its proper divisors (365480743).

4009948217 is a wasteful number, since it uses less digits than its factorization.

4009948217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78343.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 4009948217 is about 63324.1519248383. The cubic root of 4009948217 is about 1588.7159466760.

The spelling of 4009948217 in words is "four billion, nine million, nine hundred forty-eight thousand, two hundred seventeen".