6543066454 has 32 divisors (see below), whose sum is σ = 10562140800. Its totient is φ = 3028945920.

The previous prime is 6543066443. The next prime is 6543066457. The reversal of 6543066454 is 4546603456.

It is a self number, because there is not a number n which added to its sum of digits gives 6543066454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6543066457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750432 + ... + 759100.

It is an arithmetic number, because the mean of its divisors is an integer number (330066900).

Almost surely, 2^6543066454 is an apocalyptic number.

6543066454 is a deficient number, since it is larger than the sum of its proper divisors (4019074346).

6543066454 is a wasteful number, since it uses less digits than its factorization.

6543066454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9048.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The square root of 6543066454 is about 80889.2233489728. The cubic root of 6543066454 is about 1870.3682016823.

The spelling of 6543066454 in words is "six billion, five hundred forty-three million, sixty-six thousand, four hundred fifty-four".