4430443232121 has 4 divisors (see below), whose sum is σ = 5907257642832. Its totient is φ = 2953628821412.

The previous prime is 4430443232119. The next prime is 4430443232147. The reversal of 4430443232121 is 1212323440344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4430443232121 - 2¹ = 4430443232119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4430443232101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738407205351 + ... + 738407205356.

It is an arithmetic number, because the mean of its divisors is an integer number (1476814410708).

Almost surely, 2^{4430443232121} is an apocalyptic number.

It is an amenable number.

4430443232121 is a deficient number, since it is larger than the sum of its proper divisors (1476814410711).

4430443232121 is a wasteful number, since it uses less digits than its factorization.

4430443232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476814410710.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 4430443232121 its reverse (1212323440344), we get a palindrome (5642766672465).

The spelling of 4430443232121 in words is "four trillion, four hundred thirty billion, four hundred forty-three million, two hundred thirty-two thousand, one hundred twenty-one".