8445100809 has 4 divisors (see below), whose sum is σ = 11260134416. Its totient is φ = 5630067204.

The previous prime is 8445100789. The next prime is 8445100813. The reversal of 8445100809 is 9080015448.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8445100809 - 2¹⁶ = 8445035273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8445100309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1407516799 + ... + 1407516804.

It is an arithmetic number, because the mean of its divisors is an integer number (2815033604).

Almost surely, 2^8445100809 is an apocalyptic number.

It is an amenable number.

8445100809 is a deficient number, since it is larger than the sum of its proper divisors (2815033607).

8445100809 is a wasteful number, since it uses less digits than its factorization.

8445100809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815033606.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 8445100809 is about 91897.2296045969. The cubic root of 8445100809 is about 2036.4243406733.

The spelling of 8445100809 in words is "eight billion, four hundred forty-five million, one hundred thousand, eight hundred nine".