6564719463 has 16 divisors (see below), whose sum is σ = 8799559680. Its totient is φ = 4353215616.

The previous prime is 6564719449. The next prime is 6564719489. The reversal of 6564719463 is 3649174656.

It is not a de Polignac number, because 6564719463 - 2⁸ = 6564719207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6564719263) 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, 867231 + ... + 874767.

It is an arithmetic number, because the mean of its divisors is an integer number (549972480).

Almost surely, 2^6564719463 is an apocalyptic number.

6564719463 is a deficient number, since it is larger than the sum of its proper divisors (2234840217).

6564719463 is a wasteful number, since it uses less digits than its factorization.

6564719463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046.

The product of its digits is 3265920, while the sum is 51.

The square root of 6564719463 is about 81022.9563950860. The cubic root of 6564719463 is about 1872.4291368266.

The spelling of 6564719463 in words is "six billion, five hundred sixty-four million, seven hundred nineteen thousand, four hundred sixty-three".