6463450543645 has 8 divisors (see below), whose sum is σ = 7799471048160. Its totient is φ = 5141873504400.

The previous prime is 6463450543639. The next prime is 6463450543673. The reversal of 6463450543645 is 5463450543646.

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

It is not a de Polignac number, because 6463450543645 - 2¹⁵ = 6463450510877 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 3610865331 + ... + 3610867120.

It is an arithmetic number, because the mean of its divisors is an integer number (974933881020).

Almost surely, 2^{6463450543645} is an apocalyptic number.

It is an amenable number.

6463450543645 is a deficient number, since it is larger than the sum of its proper divisors (1336020504515).

6463450543645 is a wasteful number, since it uses less digits than its factorization.

6463450543645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221732635.

The product of its (nonzero) digits is 62208000, while the sum is 55.

Subtracting from 6463450543645 its reverse (5463450543646), we obtain a palindrome (999999999999).

The spelling of 6463450543645 in words is "six trillion, four hundred sixty-three billion, four hundred fifty million, five hundred forty-three thousand, six hundred forty-five".