7845449434 has 16 divisors (see below), whose sum is σ = 12273037056. Its totient is φ = 3757046400.

The previous prime is 7845449419. The next prime is 7845449441. The reversal of 7845449434 is 4349445487.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646252 + ... + 658279.

It is an arithmetic number, because the mean of its divisors is an integer number (767064816).

Almost surely, 2^7845449434 is an apocalyptic number.

7845449434 is a deficient number, since it is larger than the sum of its proper divisors (4427587622).

7845449434 is a wasteful number, since it uses less digits than its factorization.

7845449434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304661.

The product of its digits is 7741440, while the sum is 52.

The square root of 7845449434 is about 88574.5416810045. The cubic root of 7845449434 is about 1987.0369473261.

The spelling of 7845449434 in words is "seven billion, eight hundred forty-five million, four hundred forty-nine thousand, four hundred thirty-four".