6694177844 has 12 divisors (see below), whose sum is σ = 11800321764. Its totient is φ = 3322657344.

The previous prime is 6694177843. The next prime is 6694177849. The reversal of 6694177844 is 4487714966.

It can be written as a sum of positive squares in 2 ways, for example, as 2603040400 + 4091137444 = 51020^2 + 63962^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6694177844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6694177843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6107279 + ... + 6108374.

It is an arithmetic number, because the mean of its divisors is an integer number (983360147).

Almost surely, 2^6694177844 is an apocalyptic number.

It is an amenable number.

6694177844 is a deficient number, since it is larger than the sum of its proper divisors (5106143920).

6694177844 is a wasteful number, since it uses less digits than its factorization.

6694177844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12215794 (or 12215792 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 56.

The square root of 6694177844 is about 81817.9555110002. The cubic root of 6694177844 is about 1884.6574056252.

The spelling of 6694177844 in words is "six billion, six hundred ninety-four million, one hundred seventy-seven thousand, eight hundred forty-four".