6514756563 has 8 divisors (see below), whose sum is σ = 9927248128. Its totient is φ = 3722718024.

The previous prime is 6514756561. The next prime is 6514756597. The reversal of 6514756563 is 3656574156.

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

It is not a de Polignac number, because 6514756563 - 2¹ = 6514756561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6514756561) 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, 155113231 + ... + 155113272.

It is an arithmetic number, because the mean of its divisors is an integer number (1240906016).

Almost surely, 2^6514756563 is an apocalyptic number.

6514756563 is a deficient number, since it is larger than the sum of its proper divisors (3412491565).

6514756563 is a wasteful number, since it uses less digits than its factorization.

6514756563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310226513.

The product of its digits is 2268000, while the sum is 48.

The square root of 6514756563 is about 80714.0419196065. The cubic root of 6514756563 is about 1867.6667939891. Note that the first 3 decimals are identical.

The spelling of 6514756563 in words is "six billion, five hundred fourteen million, seven hundred fifty-six thousand, five hundred sixty-three".