6543654967 has 8 divisors (see below), whose sum is σ = 6931934000. Its totient is φ = 6159763584.

The previous prime is 6543654941. The next prime is 6543654991. The reversal of 6543654967 is 7694563456.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6543654967 - 2⁷ = 6543654839 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6543654907) 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 7 ways as a sum of consecutive naturals, for example, 1093842 + ... + 1099807.

It is an arithmetic number, because the mean of its divisors is an integer number (866491750).

Almost surely, 2^6543654967 is an apocalyptic number.

6543654967 is a deficient number, since it is larger than the sum of its proper divisors (388279033).

6543654967 is a wasteful number, since it uses less digits than its factorization.

6543654967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193825.

The product of its digits is 16329600, while the sum is 55.

The square root of 6543654967 is about 80892.8610385366. The cubic root of 6543654967 is about 1870.4242764605.

The spelling of 6543654967 in words is "six billion, five hundred forty-three million, six hundred fifty-four thousand, nine hundred sixty-seven".