6844249736 has 8 divisors (see below), whose sum is σ = 12832968270. Its totient is φ = 3422124864.

The previous prime is 6844249733. The next prime is 6844249739. The reversal of 6844249736 is 6379424486.

It is an interprime number because it is at equal distance from previous prime (6844249733) and next prime (6844249739).

It can be written as a sum of positive squares in only one way, i.e., 4968840100 + 1875409636 = 70490^2 + 43306^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6844249733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427765601 + ... + 427765616.

Almost surely, 2^6844249736 is an apocalyptic number.

It is an amenable number.

6844249736 is a deficient number, since it is larger than the sum of its proper divisors (5988718534).

6844249736 is a wasteful number, since it uses less digits than its factorization.

6844249736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855531223 (or 855531219 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 53.

The square root of 6844249736 is about 82729.9808775513. The cubic root of 6844249736 is about 1898.6370406168.

The spelling of 6844249736 in words is "six billion, eight hundred forty-four million, two hundred forty-nine thousand, seven hundred thirty-six".