6718963 has 2 divisors, whose sum is σ = 6718964. Its totient is φ = 6718962.

The previous prime is 6718939. The next prime is 6718997. The reversal of 6718963 is 3698176.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6718963 - 2¹³ = 6710771 is a prime.

6718963 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6718163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3359481 + 3359482.

It is an arithmetic number, because the mean of its divisors is an integer number (3359482).

Almost surely, 2^6718963 is an apocalyptic number.

6718963 is a deficient number, since it is larger than the sum of its proper divisors (1).

6718963 is an equidigital number, since it uses as much as digits as its factorization.

6718963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 6718963 is about 2592.0962559288. The cubic root of 6718963 is about 188.6980518707.

The spelling of 6718963 in words is "six million, seven hundred eighteen thousand, nine hundred sixty-three".