3965180217 has 8 divisors (see below), whose sum is σ = 5319342624. Its totient is φ = 2627235648.

The previous prime is 3965180207. The next prime is 3965180251. The reversal of 3965180217 is 7120815693.

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

It is not a de Polignac number, because 3965180217 - 2¹¹ = 3965178169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3965180207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4053888 + ... + 4054865.

It is an arithmetic number, because the mean of its divisors is an integer number (664917828).

Almost surely, 2^3965180217 is an apocalyptic number.

It is an amenable number.

3965180217 is a deficient number, since it is larger than the sum of its proper divisors (1354162407).

3965180217 is a wasteful number, since it uses less digits than its factorization.

3965180217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8108919.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 3965180217 is about 62969.6769643929. The cubic root of 3965180217 is about 1582.7815417162.

The spelling of 3965180217 in words is "three billion, nine hundred sixty-five million, one hundred eighty thousand, two hundred seventeen".