6563323485 has 40 divisors (see below), whose sum is σ = 11783645016. Its totient is φ = 3495000960.

The previous prime is 6563323457. The next prime is 6563323523. The reversal of 6563323485 is 5843233656.

6563323485 is a `hidden beast` number, since 6 + 5 + 633 + 2 + 3 + 4 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 680740281 + 5882583204 = 26091^2 + 76698^2 .

It is not a de Polignac number, because 6563323485 - 2⁶ = 6563323421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6563323485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 255447 + ... + 279963.

Almost surely, 2^6563323485 is an apocalyptic number.

It is an amenable number.

6563323485 is a deficient number, since it is larger than the sum of its proper divisors (5220321531).

6563323485 is a wasteful number, since it uses less digits than its factorization.

6563323485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25195 (or 25186 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The square root of 6563323485 is about 81014.3412304266. The cubic root of 6563323485 is about 1872.2964043112.

The spelling of 6563323485 in words is "six billion, five hundred sixty-three million, three hundred twenty-three thousand, four hundred eighty-five".