6563474761 has 8 divisors (see below), whose sum is σ = 6648521600. Its totient is φ = 6478477200.

The previous prime is 6563474737. The next prime is 6563474773. The reversal of 6563474761 is 1674743656.

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 6563474761 - 2⁷ = 6563474633 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6563474861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309775 + ... + 330283.

It is an arithmetic number, because the mean of its divisors is an integer number (831065200).

Almost surely, 2^6563474761 is an apocalyptic number.

It is an amenable number.

6563474761 is a deficient number, since it is larger than the sum of its proper divisors (85046839).

6563474761 is a wasteful number, since it uses less digits than its factorization.

6563474761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24639.

The product of its digits is 2540160, while the sum is 49.

The square root of 6563474761 is about 81015.2748622135. The cubic root of 6563474761 is about 1872.3107888597.

The spelling of 6563474761 in words is "six billion, five hundred sixty-three million, four hundred seventy-four thousand, seven hundred sixty-one".