6463342433646 has 32 divisors (see below), whose sum is σ = 16414837927680. Its totient is φ = 1846669266648.

The previous prime is 6463342433641. The next prime is 6463342433753.

6463342433646 is a `hidden beast` number, since 6 + 4 + 6 + 3 + 34 + 243 + 364 + 6 = 666.

6463342433646 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 6463342433592 and 6463342433601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6463342433641) 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, 8549394376 + ... + 8549395131.

It is an arithmetic number, because the mean of its divisors is an integer number (512963685240).

Almost surely, 2^{6463342433646} is an apocalyptic number.

6463342433646 is an abundant number, since it is smaller than the sum of its proper divisors (9951495494034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6463342433646 is a wasteful number, since it uses less digits than its factorization.

6463342433646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17098789525 (or 17098789519 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 54.

The spelling of 6463342433646 in words is "six trillion, four hundred sixty-three billion, three hundred forty-two million, four hundred thirty-three thousand, six hundred forty-six".