5663742689 has 4 divisors (see below), whose sum is σ = 6178628400. Its totient is φ = 5148856980.

The previous prime is 5663742677. The next prime is 5663742713. The reversal of 5663742689 is 9862473665.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5663742689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5663742649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257442839 + ... + 257442860.

It is an arithmetic number, because the mean of its divisors is an integer number (1544657100).

Almost surely, 2^5663742689 is an apocalyptic number.

It is an amenable number.

5663742689 is a deficient number, since it is larger than the sum of its proper divisors (514885711).

5663742689 is a wasteful number, since it uses less digits than its factorization.

5663742689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514885710.

The product of its digits is 13063680, while the sum is 56.

The square root of 5663742689 is about 75257.8413788224. The cubic root of 5663742689 is about 1782.5203837400.

The spelling of 5663742689 in words is "five billion, six hundred sixty-three million, seven hundred forty-two thousand, six hundred eighty-nine".