4321288545 has 64 divisors (see below), whose sum is σ = 8025661440. Its totient is φ = 1944633600.

The previous prime is 4321288519. The next prime is 4321288589. The reversal of 4321288545 is 5458821234.

It is not a de Polignac number, because 4321288545 - 2⁷ = 4321288417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4321288497 and 4321288506.

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 63 ways as a sum of consecutive naturals, for example, 4072315 + ... + 4073375.

It is an arithmetic number, because the mean of its divisors is an integer number (125400960).

Almost surely, 2^4321288545 is an apocalyptic number.

It is an amenable number.

4321288545 is a deficient number, since it is larger than the sum of its proper divisors (3704372895).

4321288545 is a wasteful number, since it uses less digits than its factorization.

4321288545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646.

The product of its digits is 307200, while the sum is 42.

The square root of 4321288545 is about 65736.5084637144. The cubic root of 4321288545 is about 1628.8124820659.

The spelling of 4321288545 in words is "four billion, three hundred twenty-one million, two hundred eighty-eight thousand, five hundred forty-five".