4485028409 has 4 divisors (see below), whose sum is σ = 4487113716. Its totient is φ = 4482943104.

The previous prime is 4485028393. The next prime is 4485028423. The reversal of 4485028409 is 9048205844.

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 99940009 + 4385088400 = 9997^2 + 66220^2 .

It is a cyclic number.

It is not a de Polignac number, because 4485028409 - 2⁴ = 4485028393 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 4485028409.

It is not an unprimeable number, because it can be changed into a prime (4485028469) 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, 1039424 + ... + 1043729.

It is an arithmetic number, because the mean of its divisors is an integer number (1121778429).

Almost surely, 2^4485028409 is an apocalyptic number.

It is an amenable number.

4485028409 is a deficient number, since it is larger than the sum of its proper divisors (2085307).

4485028409 is a wasteful number, since it uses less digits than its factorization.

4485028409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085306.

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 4485028409 is about 66970.3547026593. The cubic root of 4485028409 is about 1649.1306603842.

The spelling of 4485028409 in words is "four billion, four hundred eighty-five million, twenty-eight thousand, four hundred nine".