3421165649 has 8 divisors (see below), whose sum is σ = 3742940448. Its totient is φ = 3101184160.

The previous prime is 3421165639. The next prime is 3421165651. The reversal of 3421165649 is 9465611243.

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 3421165649 - 2⁴ = 3421165633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3421165609) 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, 444332 + ... + 451965.

It is an arithmetic number, because the mean of its divisors is an integer number (467867556).

Almost surely, 2^3421165649 is an apocalyptic number.

It is an amenable number.

3421165649 is a deficient number, since it is larger than the sum of its proper divisors (321774799).

3421165649 is a wasteful number, since it uses less digits than its factorization.

3421165649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896655.

The product of its digits is 155520, while the sum is 41.

The square root of 3421165649 is about 58490.7313084731. The cubic root of 3421165649 is about 1506.8084057262.

The spelling of 3421165649 in words is "three billion, four hundred twenty-one million, one hundred sixty-five thousand, six hundred forty-nine".