4433402121 has 16 divisors (see below), whose sum is σ = 5944995840. Its totient is φ = 2938738320.

The previous prime is 4433402047. The next prime is 4433402153. The reversal of 4433402121 is 1212043344.

4433402121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4433402121 - 2²² = 4429207817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4433402091 and 4433402100.

It is not an unprimeable number, because it can be changed into a prime (4433402161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611206 + ... + 618416.

It is an arithmetic number, because the mean of its divisors is an integer number (371562240).

Almost surely, 2^4433402121 is an apocalyptic number.

It is an amenable number.

4433402121 is a deficient number, since it is larger than the sum of its proper divisors (1511593719).

4433402121 is a wasteful number, since it uses less digits than its factorization.

4433402121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8356.

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

The square root of 4433402121 is about 66583.7977363863. The cubic root of 4433402121 is about 1642.7786180860.

Adding to 4433402121 its reverse (1212043344), we get a palindrome (5645445465).

The spelling of 4433402121 in words is "four billion, four hundred thirty-three million, four hundred two thousand, one hundred twenty-one".