4349079821 has 8 divisors (see below), whose sum is σ = 4573906944. Its totient is φ = 4127230800.

The previous prime is 4349079809. The next prime is 4349079857. The reversal of 4349079821 is 1289709434.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4349079821 is a prime.

It is a super-3 number, since 3×4349079821³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4349079871) 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, 741530 + ... + 747371.

It is an arithmetic number, because the mean of its divisors is an integer number (571738368).

Almost surely, 2^4349079821 is an apocalyptic number.

It is an amenable number.

4349079821 is a deficient number, since it is larger than the sum of its proper divisors (224827123).

4349079821 is a wasteful number, since it uses less digits than its factorization.

4349079821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489051.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 4349079821 is about 65947.5535634189. The cubic root of 4349079821 is about 1632.2967886096.

The spelling of 4349079821 in words is "four billion, three hundred forty-nine million, seventy-nine thousand, eight hundred twenty-one".