4431216969 has 16 divisors (see below), whose sum is σ = 6578963200. Its totient is φ = 2947755888.

The previous prime is 4431216947. The next prime is 4431216971. The reversal of 4431216969 is 9696121344.

It is not a de Polignac number, because 4431216969 - 2¹³ = 4431208777 is a prime.

It is a super-2 number, since 2×4431216969² = 39271367652707093922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4431216919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164734 + ... + 189735.

It is an arithmetic number, because the mean of its divisors is an integer number (411185200).

Almost surely, 2^4431216969 is an apocalyptic number.

It is an amenable number.

4431216969 is a deficient number, since it is larger than the sum of its proper divisors (2147746231).

4431216969 is a wasteful number, since it uses less digits than its factorization.

4431216969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354941 (or 354935 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 4431216969 is about 66567.3866769607. The cubic root of 4431216969 is about 1642.5086740853.

The spelling of 4431216969 in words is "four billion, four hundred thirty-one million, two hundred sixteen thousand, nine hundred sixty-nine".