4329284721 has 8 divisors (see below), whose sum is σ = 5772813504. Its totient is φ = 2885972880.

The previous prime is 4329284699. The next prime is 4329284801. The reversal of 4329284721 is 1274829234.

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

It is not a de Polignac number, because 4329284721 - 2⁶ = 4329284657 is a prime.

It is a super-4 number, since 4×4329284721⁴ (a number of 40 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (4329284021) 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, 111 + ... + 93051.

It is an arithmetic number, because the mean of its divisors is an integer number (721601688).

Almost surely, 2^4329284721 is an apocalyptic number.

It is an amenable number.

4329284721 is a deficient number, since it is larger than the sum of its proper divisors (1443528783).

4329284721 is a wasteful number, since it uses less digits than its factorization.

4329284721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108471.

The product of its digits is 193536, while the sum is 42.

The square root of 4329284721 is about 65797.3002561655. The cubic root of 4329284721 is about 1629.8165225626.

The spelling of 4329284721 in words is "four billion, three hundred twenty-nine million, two hundred eighty-four thousand, seven hundred twenty-one".