6740838463 has 2 divisors, whose sum is σ = 6740838464. Its totient is φ = 6740838462.

The previous prime is 6740838457. The next prime is 6740838473. The reversal of 6740838463 is 3648380476.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6740838463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6740838473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370419231 + 3370419232.

It is an arithmetic number, because the mean of its divisors is an integer number (3370419232).

Almost surely, 2^6740838463 is an apocalyptic number.

6740838463 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740838463 is an equidigital number, since it uses as much as digits as its factorization.

6740838463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The square root of 6740838463 is about 82102.6093556106. The cubic root of 6740838463 is about 1889.0261645108.

The spelling of 6740838463 in words is "six billion, seven hundred forty million, eight hundred thirty-eight thousand, four hundred sixty-three".