8445058609 has 9 divisors (see below), whose sum is σ = 9145943073. Its totient is φ = 7794335952.

The previous prime is 8445058543. The next prime is 8445058621. The reversal of 8445058609 is 9068505448.

The square root of 8445058609 is 91897.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2255775025 + 6189283584 = 47495^2 + 78672^2 .

It is not a de Polignac number, because 8445058609 - 2⁷ = 8445058481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8445058639) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1191127 + ... + 1198195.

It is an arithmetic number, because the mean of its divisors is an integer number (1016215897).

Almost surely, 2^8445058609 is an apocalyptic number.

8445058609 is the 91897-th square number.

8445058609 is the 45949-th centered octagonal number.

It is an amenable number.

8445058609 is a deficient number, since it is larger than the sum of its proper divisors (700884464).

8445058609 is an frugal number, since it uses more digits than its factorization.

8445058609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14164 (or 7082 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The cubic root of 8445058609 is about 2036.4209486770.

Multiplying 8445058609 by its sum of digits (49), we get a square (413807871841 = 643279²).

The spelling of 8445058609 in words is "eight billion, four hundred forty-five million, fifty-eight thousand, six hundred nine".