6740844863 has 2 divisors, whose sum is σ = 6740844864. Its totient is φ = 6740844862.

The previous prime is 6740844841. The next prime is 6740844919. The reversal of 6740844863 is 3684480476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6740844863 - 2²² = 6736650559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6742844863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370422431 + 3370422432.

It is an arithmetic number, because the mean of its divisors is an integer number (3370422432).

Almost surely, 2^6740844863 is an apocalyptic number.

6740844863 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740844863 is an equidigital number, since it uses as much as digits as its factorization.

6740844863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 50.

The square root of 6740844863 is about 82102.6483312201. The cubic root of 6740844863 is about 1889.0267623476.

The spelling of 6740844863 in words is "six billion, seven hundred forty million, eight hundred forty-four thousand, eight hundred sixty-three".