6563773425 has 24 divisors (see below), whose sum is σ = 11838661920. Its totient is φ = 3182435200.

The previous prime is 6563773387. The next prime is 6563773429. The reversal of 6563773425 is 5243773656.

It is not a de Polignac number, because 6563773425 - 2⁸ = 6563773169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6563773429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3977220 + ... + 3978869.

It is an arithmetic number, because the mean of its divisors is an integer number (493277580).

Almost surely, 2^6563773425 is an apocalyptic number.

It is an amenable number.

6563773425 is a deficient number, since it is larger than the sum of its proper divisors (5274888495).

6563773425 is a wasteful number, since it uses less digits than its factorization.

6563773425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7956113 (or 7956108 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 48.

The square root of 6563773425 is about 81017.1180985846. The cubic root of 6563773425 is about 1872.3391876052.

The spelling of 6563773425 in words is "six billion, five hundred sixty-three million, seven hundred seventy-three thousand, four hundred twenty-five".