6543404601 has 16 divisors (see below), whose sum is σ = 9487419264. Its totient is φ = 3994700544.

The previous prime is 6543404597. The next prime is 6543404603. The reversal of 6543404601 is 1064043456.

6543404601 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6543404601 - 2² = 6543404597 is a prime.

It is a super-2 number, since 2×6543404601² = 85632287544775938402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6543404603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1731925 + ... + 1735698.

It is an arithmetic number, because the mean of its divisors is an integer number (592963704).

Almost surely, 2^6543404601 is an apocalyptic number.

It is an amenable number.

6543404601 is a deficient number, since it is larger than the sum of its proper divisors (2944014663).

6543404601 is a wasteful number, since it uses less digits than its factorization.

6543404601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467680.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 6543404601 is about 80891.3135076938. The cubic root of 6543404601 is about 1870.4004214631.

The spelling of 6543404601 in words is "six billion, five hundred forty-three million, four hundred four thousand, six hundred one".