4421324545 has 48 divisors (see below), whose sum is σ = 5977547136. Its totient is φ = 3113280000.

The previous prime is 4421324527. The next prime is 4421324561. The reversal of 4421324545 is 5454231244.

It is not a de Polignac number, because 4421324545 - 2⁵ = 4421324513 is a prime.

It is a super-2 number, since 2×4421324545² = 39096221464438914050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4421324545.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 18345625 + ... + 18345865.

It is an arithmetic number, because the mean of its divisors is an integer number (124532232).

Almost surely, 2^4421324545 is an apocalyptic number.

It is an amenable number.

4421324545 is a deficient number, since it is larger than the sum of its proper divisors (1556222591).

4421324545 is a wasteful number, since it uses less digits than its factorization.

4421324545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 455 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

The square root of 4421324545 is about 66493.0413276457. The cubic root of 4421324545 is about 1641.2854963033.

Adding to 4421324545 its reverse (5454231244), we get a palindrome (9875555789).

The spelling of 4421324545 in words is "four billion, four hundred twenty-one million, three hundred twenty-four thousand, five hundred forty-five".