6771023563 has 4 divisors (see below), whose sum is σ = 6775590808. Its totient is φ = 6766456320.

The previous prime is 6771023543. The next prime is 6771023573. The reversal of 6771023563 is 3653201776.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6771023563 - 2²⁵ = 6737469131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6771023543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2281398 + ... + 2284363.

It is an arithmetic number, because the mean of its divisors is an integer number (1693897702).

Almost surely, 2^6771023563 is an apocalyptic number.

6771023563 is a deficient number, since it is larger than the sum of its proper divisors (4567245).

6771023563 is a wasteful number, since it uses less digits than its factorization.

6771023563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4567244.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 6771023563 is about 82286.2294858623. The cubic root of 6771023563 is about 1891.8416175952.

The spelling of 6771023563 in words is "six billion, seven hundred seventy-one million, twenty-three thousand, five hundred sixty-three".