8345331645 has 16 divisors (see below), whose sum is σ = 15260035200. Its totient is φ = 3815008704.

The previous prime is 8345331629. The next prime is 8345331667. The reversal of 8345331645 is 5461335438.

It is not a de Polignac number, because 8345331645 - 2⁴ = 8345331629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8345331597 and 8345331606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39739570 + ... + 39739779.

It is an arithmetic number, because the mean of its divisors is an integer number (953752200).

Almost surely, 2^8345331645 is an apocalyptic number.

It is an amenable number.

8345331645 is a deficient number, since it is larger than the sum of its proper divisors (6914703555).

8345331645 is a wasteful number, since it uses less digits than its factorization.

8345331645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79479364.

The product of its digits is 518400, while the sum is 42.

The square root of 8345331645 is about 91352.7867391028. The cubic root of 8345331645 is about 2028.3732139848.

The spelling of 8345331645 in words is "eight billion, three hundred forty-five million, three hundred thirty-one thousand, six hundred forty-five".