6493963 has 4 divisors (see below), whose sum is σ = 7421680. Its totient is φ = 5566248.

The previous prime is 6493957. The next prime is 6493969. The reversal of 6493963 is 3693946.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6493957) and next prime (6493969).

It is a cyclic number.

It is not a de Polignac number, because 6493963 - 2⁹ = 6493451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6493969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463848 + ... + 463861.

It is an arithmetic number, because the mean of its divisors is an integer number (1855420).

Almost surely, 2^6493963 is an apocalyptic number.

6493963 is a deficient number, since it is larger than the sum of its proper divisors (927717).

6493963 is an equidigital number, since it uses as much as digits as its factorization.

6493963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927716.

The product of its digits is 104976, while the sum is 40.

The square root of 6493963 is about 2548.3255286560. The cubic root of 6493963 is about 186.5677625858.

The spelling of 6493963 in words is "six million, four hundred ninety-three thousand, nine hundred sixty-three".