6748843961 has 2 divisors, whose sum is σ = 6748843962. Its totient is φ = 6748843960.

The previous prime is 6748843951. The next prime is 6748844027. The reversal of 6748843961 is 1693488476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5116683961 + 1632160000 = 71531^2 + 40400^2 .

It is a cyclic number.

It is not a de Polignac number, because 6748843961 - 2¹⁴ = 6748827577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6748843897 and 6748843906.

It is not a weakly prime, because it can be changed into another prime (6748843951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3374421980 + 3374421981.

It is an arithmetic number, because the mean of its divisors is an integer number (3374421981).

Almost surely, 2^6748843961 is an apocalyptic number.

It is an amenable number.

6748843961 is a deficient number, since it is larger than the sum of its proper divisors (1).

6748843961 is an equidigital number, since it uses as much as digits as its factorization.

6748843961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 56.

The square root of 6748843961 is about 82151.3478952111. The cubic root of 6748843961 is about 1889.7736784698.

The spelling of 6748843961 in words is "six billion, seven hundred forty-eight million, eight hundred forty-three thousand, nine hundred sixty-one".