4455308609 has 4 divisors (see below), whose sum is σ = 4717385604. Its totient is φ = 4193231616.

The previous prime is 4455308603. The next prime is 4455308653. The reversal of 4455308609 is 9068035544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3905875009 + 549433600 = 62497^2 + 23440^2 .

It is a cyclic number.

It is not a de Polignac number, because 4455308609 - 2²⁰ = 4454260033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4455308609.

It is not an unprimeable number, because it can be changed into a prime (4455308603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131038472 + ... + 131038505.

It is an arithmetic number, because the mean of its divisors is an integer number (1179346401).

Almost surely, 2^4455308609 is an apocalyptic number.

It is an amenable number.

4455308609 is a deficient number, since it is larger than the sum of its proper divisors (262076995).

4455308609 is a wasteful number, since it uses less digits than its factorization.

4455308609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262076994.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 4455308609 is about 66748.0981676632. The cubic root of 4455308609 is about 1645.4799594802.

The spelling of 4455308609 in words is "four billion, four hundred fifty-five million, three hundred eight thousand, six hundred nine".