4321403505 has 24 divisors (see below), whose sum is σ = 7511922600. Its totient is φ = 2298136320.

The previous prime is 4321403483. The next prime is 4321403509. The reversal of 4321403505 is 5053041234.

It can be written as a sum of positive squares in 4 ways, for example, as 1811694096 + 2509709409 = 42564^2 + 50097^2 .

It is not a de Polignac number, because 4321403505 - 2¹⁵ = 4321370737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4321403509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121876 + ... + 153285.

It is an arithmetic number, because the mean of its divisors is an integer number (312996775).

Almost surely, 2^4321403505 is an apocalyptic number.

4321403505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4321403505 is a deficient number, since it is larger than the sum of its proper divisors (3190519095).

4321403505 is a wasteful number, since it uses less digits than its factorization.

4321403505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275521 (or 275518 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 4321403505 is about 65737.3828578534. The cubic root of 4321403505 is about 1628.8269257995.

Adding to 4321403505 its reverse (5053041234), we get a palindrome (9374444739).

The spelling of 4321403505 in words is "four billion, three hundred twenty-one million, four hundred three thousand, five hundred five".