6463146563 has 8 divisors (see below), whose sum is σ = 6574219200. Its totient is φ = 6352124968.

The previous prime is 6463146553. The next prime is 6463146577. The reversal of 6463146563 is 3656413646.

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

It is a cyclic number.

It is not a de Polignac number, because 6463146563 - 2⁸ = 6463146307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6463146553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313508 + ... + 333486.

It is an arithmetic number, because the mean of its divisors is an integer number (821777400).

Almost surely, 2^6463146563 is an apocalyptic number.

6463146563 is a deficient number, since it is larger than the sum of its proper divisors (111072637).

6463146563 is a wasteful number, since it uses less digits than its factorization.

6463146563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25521.

The product of its digits is 933120, while the sum is 44.

The square root of 6463146563 is about 80393.6972840533. The cubic root of 6463146563 is about 1862.7218179905.

The spelling of 6463146563 in words is "six billion, four hundred sixty-three million, one hundred forty-six thousand, five hundred sixty-three".