4376668649 has 8 divisors (see below), whose sum is σ = 4635502848. Its totient is φ = 4117988160.

The previous prime is 4376668633. The next prime is 4376668657. The reversal of 4376668649 is 9468666734.

It is a happy number.

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 4376668649 - 2⁴ = 4376668633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4376668349) 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, 23024 + ... + 96350.

It is an arithmetic number, because the mean of its divisors is an integer number (579437856).

Almost surely, 2^4376668649 is an apocalyptic number.

It is an amenable number.

4376668649 is a deficient number, since it is larger than the sum of its proper divisors (258834199).

4376668649 is a wasteful number, since it uses less digits than its factorization.

4376668649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76855.

The product of its digits is 31352832, while the sum is 59.

The square root of 4376668649 is about 66156.3953748993. The cubic root of 4376668649 is about 1635.7410624367.

The spelling of 4376668649 in words is "four billion, three hundred seventy-six million, six hundred sixty-eight thousand, six hundred forty-nine".