6655849589 has 4 divisors (see below), whose sum is σ = 6674389920. Its totient is φ = 6637309260.

The previous prime is 6655849583. The next prime is 6655849609. The reversal of 6655849589 is 9859485566.

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 not a de Polignac number, because 6655849589 - 2²⁸ = 6387414133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655849583) 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, 9269627 + ... + 9270344.

It is an arithmetic number, because the mean of its divisors is an integer number (1668597480).

Almost surely, 2^6655849589 is an apocalyptic number.

It is an amenable number.

6655849589 is a deficient number, since it is larger than the sum of its proper divisors (18540331).

6655849589 is a wasteful number, since it uses less digits than its factorization.

6655849589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18540330.

The product of its digits is 93312000, while the sum is 65.

The square root of 6655849589 is about 81583.3903990267. The cubic root of 6655849589 is about 1881.0535807349.

The spelling of 6655849589 in words is "six billion, six hundred fifty-five million, eight hundred forty-nine thousand, five hundred eighty-nine".