6463450543646 has 8 divisors (see below), whose sum is σ = 9695323941960. Its totient is φ = 3231675896328.

The previous prime is 6463450543639. The next prime is 6463450543673.

6463450543646 is nontrivially palindromic in base 10.

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

It is a super-3 number, since 3×6463450543646³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6463450543591 and 6463450543600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24523901 + ... + 24786056.

It is an arithmetic number, because the mean of its divisors is an integer number (1211915492745).

Almost surely, 2^{6463450543646} is an apocalyptic number.

6463450543646 is a deficient number, since it is larger than the sum of its proper divisors (3231873398314).

6463450543646 is a wasteful number, since it uses less digits than its factorization.

6463450543646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49375498.

The product of its (nonzero) digits is 74649600, while the sum is 56.

The spelling of 6463450543646 in words is "six trillion, four hundred sixty-three billion, four hundred fifty million, five hundred forty-three thousand, six hundred forty-six".