4433120421 has 8 divisors (see below), whose sum is σ = 5991797760. Its totient is φ = 2914928352.

The previous prime is 4433120401. The next prime is 4433120431. The reversal of 4433120421 is 1240213344.

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

It is not a de Polignac number, because 4433120421 - 2⁹ = 4433119909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4433120391 and 4433120400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4433120401) 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, 10121061 + ... + 10121498.

It is an arithmetic number, because the mean of its divisors is an integer number (748974720).

Almost surely, 2^4433120421 is an apocalyptic number.

It is an amenable number.

4433120421 is a deficient number, since it is larger than the sum of its proper divisors (1558677339).

4433120421 is a wasteful number, since it uses less digits than its factorization.

4433120421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20242635.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4433120421 is about 66581.6823232937. The cubic root of 4433120421 is about 1642.7438230966.

Adding to 4433120421 its reverse (1240213344), we get a palindrome (5673333765).

The spelling of 4433120421 in words is "four billion, four hundred thirty-three million, one hundred twenty thousand, four hundred twenty-one".