4344608821 has 8 divisors (see below), whose sum is σ = 4967132544. Its totient is φ = 3722551440.

The previous prime is 4344608789. The next prime is 4344608831. The reversal of 4344608821 is 1288064434.

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 4344608821 - 2⁵ = 4344608789 is a prime.

It is a super-2 number, since 2×4344608821² = 37751251615022020082, which contains 22 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 (4344608831) 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, 96385 + ... + 134086.

It is an arithmetic number, because the mean of its divisors is an integer number (620891568).

Almost surely, 2^4344608821 is an apocalyptic number.

It is an amenable number.

4344608821 is a deficient number, since it is larger than the sum of its proper divisors (622523723).

4344608821 is a wasteful number, since it uses less digits than its factorization.

4344608821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233171.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 4344608821 is about 65913.6466977818. The cubic root of 4344608821 is about 1631.7372448644.

The spelling of 4344608821 in words is "four billion, three hundred forty-four million, six hundred eight thousand, eight hundred twenty-one".