8309442195 has 24 divisors (see below), whose sum is σ = 14405472432. Its totient is φ = 4430952000.

The previous prime is 8309442173. The next prime is 8309442247. The reversal of 8309442195 is 5912449038.

It is not a de Polignac number, because 8309442195 - 2¹¹ = 8309440147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8309442195.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343860 + ... + 367230.

It is an arithmetic number, because the mean of its divisors is an integer number (600228018).

Almost surely, 2^8309442195 is an apocalyptic number.

8309442195 is a deficient number, since it is larger than the sum of its proper divisors (6096030237).

8309442195 is a wasteful number, since it uses less digits than its factorization.

8309442195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31283 (or 31280 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 8309442195 is about 91156.1418391542. The cubic root of 8309442195 is about 2025.4613343058.

The spelling of 8309442195 in words is "eight billion, three hundred nine million, four hundred forty-two thousand, one hundred ninety-five".