63566228263 has 4 divisors (see below), whose sum is σ = 63600946768. Its totient is φ = 63531509760.

The previous prime is 63566228197. The next prime is 63566228267. The reversal of 63566228263 is 36282266536.

It is a happy number.

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 63566228263 - 2¹³ = 63566220071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63566228267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17356506 + ... + 17360167.

It is an arithmetic number, because the mean of its divisors is an integer number (15900236692).

Almost surely, 2^63566228263 is an apocalyptic number.

63566228263 is a deficient number, since it is larger than the sum of its proper divisors (34718505).

63566228263 is a wasteful number, since it uses less digits than its factorization.

63566228263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34718504.

The product of its digits is 3732480, while the sum is 49.

The spelling of 63566228263 in words is "sixty-three billion, five hundred sixty-six million, two hundred twenty-eight thousand, two hundred sixty-three".