6843235947 has 32 divisors (see below), whose sum is σ = 10183057920. Its totient is φ = 4062389760.

The previous prime is 6843235943. The next prime is 6843235961. The reversal of 6843235947 is 7495323486.

It is not a de Polignac number, because 6843235947 - 2² = 6843235943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 6843235947.

It is not an unprimeable number, because it can be changed into a prime (6843235943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793197 + ... + 801777.

It is an arithmetic number, because the mean of its divisors is an integer number (318220560).

Almost surely, 2^6843235947 is an apocalyptic number.

6843235947 is a deficient number, since it is larger than the sum of its proper divisors (3339821973).

6843235947 is a wasteful number, since it uses less digits than its factorization.

6843235947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9443.

The product of its digits is 4354560, while the sum is 51.

The square root of 6843235947 is about 82723.8535550660. The cubic root of 6843235947 is about 1898.5432922165.

The spelling of 6843235947 in words is "six billion, eight hundred forty-three million, two hundred thirty-five thousand, nine hundred forty-seven".