6463771266 has 64 divisors (see below), whose sum is σ = 13507084800. Its totient is φ = 2060505216.

The previous prime is 6463771241. The next prime is 6463771267. The reversal of 6463771266 is 6621773646.

It is not an unprimeable number, because it can be changed into a prime (6463771267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3093150 + ... + 3095238.

It is an arithmetic number, because the mean of its divisors is an integer number (211048200).

Almost surely, 2^6463771266 is an apocalyptic number.

6463771266 is an abundant number, since it is smaller than the sum of its proper divisors (7043313534).

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

6463771266 is a wasteful number, since it uses less digits than its factorization.

6463771266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383.

The product of its digits is 1524096, while the sum is 48.

The square root of 6463771266 is about 80397.5824636537. The cubic root of 6463771266 is about 1862.7818305766.

The spelling of 6463771266 in words is "six billion, four hundred sixty-three million, seven hundred seventy-one thousand, two hundred sixty-six".