4431421775 has 24 divisors (see below), whose sum is σ = 6310012800. Its totient is φ = 3053224800.

The previous prime is 4431421769. The next prime is 4431421777. The reversal of 4431421775 is 5771241344.

It is not a de Polignac number, because 4431421775 - 2²² = 4427227471 is a prime.

It is a super-3 number, since 3×4431421775³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431421777) 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 23 ways as a sum of consecutive naturals, for example, 418835 + ... + 429284.

It is an arithmetic number, because the mean of its divisors is an integer number (262917200).

Almost surely, 2^4431421775 is an apocalyptic number.

4431421775 is a deficient number, since it is larger than the sum of its proper divisors (1878591025).

4431421775 is a wasteful number, since it uses less digits than its factorization.

4431421775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848159 (or 848154 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 4431421775 is about 66568.9249950756. The cubic root of 4431421775 is about 1642.5339786800.

The spelling of 4431421775 in words is "four billion, four hundred thirty-one million, four hundred twenty-one thousand, seven hundred seventy-five".