5663542271 has 4 divisors (see below), whose sum is σ = 5743310544. Its totient is φ = 5583774000.

The previous prime is 5663542229. The next prime is 5663542273. The reversal of 5663542271 is 1722453665.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5663542271 is a prime.

It is a super-2 number, since 2×5663542271² = 64151422110807674882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5663542273) 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, 39884030 + ... + 39884171.

It is an arithmetic number, because the mean of its divisors is an integer number (1435827636).

Almost surely, 2^5663542271 is an apocalyptic number.

5663542271 is a deficient number, since it is larger than the sum of its proper divisors (79768273).

5663542271 is an equidigital number, since it uses as much as digits as its factorization.

5663542271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79768272.

The product of its digits is 302400, while the sum is 41.

The square root of 5663542271 is about 75256.5098247321. The cubic root of 5663542271 is about 1782.4993579858.

The spelling of 5663542271 in words is "five billion, six hundred sixty-three million, five hundred forty-two thousand, two hundred seventy-one".