6844773653 has 2 divisors, whose sum is σ = 6844773654. Its totient is φ = 6844773652.

The previous prime is 6844773647. The next prime is 6844773697. The reversal of 6844773653 is 3563774486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4780616164 + 2064157489 = 69142^2 + 45433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6844773653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6844773595 and 6844773604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6844773613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3422386826 + 3422386827.

It is an arithmetic number, because the mean of its divisors is an integer number (3422386827).

Almost surely, 2^6844773653 is an apocalyptic number.

It is an amenable number.

6844773653 is a deficient number, since it is larger than the sum of its proper divisors (1).

6844773653 is an equidigital number, since it uses as much as digits as its factorization.

6844773653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 53.

The square root of 6844773653 is about 82733.1472446202. The cubic root of 6844773653 is about 1898.6854853151.

The spelling of 6844773653 in words is "six billion, eight hundred forty-four million, seven hundred seventy-three thousand, six hundred fifty-three".