6634585485989 has 4 divisors (see below), whose sum is σ = 6639095742720. Its totient is φ = 6630075229260.

The previous prime is 6634585485971. The next prime is 6634585486013. The reversal of 6634585485989 is 9895845854366.

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 6634585485989 - 2¹⁶ = 6634585420453 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 (6634585485919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2255126159 + ... + 2255129100.

It is an arithmetic number, because the mean of its divisors is an integer number (1659773935680).

Almost surely, 2^{6634585485989} is an apocalyptic number.

It is an amenable number.

6634585485989 is a deficient number, since it is larger than the sum of its proper divisors (4510256731).

6634585485989 is a wasteful number, since it uses less digits than its factorization.

6634585485989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510256730.

The product of its digits is 8957952000, while the sum is 80.

The spelling of 6634585485989 in words is "six trillion, six hundred thirty-four billion, five hundred eighty-five million, four hundred eighty-five thousand, nine hundred eighty-nine".