4434155121 has 32 divisors (see below), whose sum is σ = 6513781248. Its totient is φ = 2660797440.

The previous prime is 4434155081. The next prime is 4434155137. The reversal of 4434155121 is 1215514344.

It is not a de Polignac number, because 4434155121 - 2⁷ = 4434154993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4434155161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1444230 + ... + 1447296.

It is an arithmetic number, because the mean of its divisors is an integer number (203555664).

Almost surely, 2^4434155121 is an apocalyptic number.

It is an amenable number.

4434155121 is a deficient number, since it is larger than the sum of its proper divisors (2079626127).

4434155121 is a wasteful number, since it uses less digits than its factorization.

4434155121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501.

The product of its digits is 9600, while the sum is 30.

The square root of 4434155121 is about 66589.4520250768. The cubic root of 4434155121 is about 1642.8716198213.

Adding to 4434155121 its reverse (1215514344), we get a palindrome (5649669465).

The spelling of 4434155121 in words is "four billion, four hundred thirty-four million, one hundred fifty-five thousand, one hundred twenty-one".