6625089809 has 8 divisors (see below), whose sum is σ = 7444917312. Its totient is φ = 5849577360.

The previous prime is 6625089749. The next prime is 6625089811. The reversal of 6625089809 is 9089805266.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6625089809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6625082809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11078447 + ... + 11079044.

It is an arithmetic number, because the mean of its divisors is an integer number (930614664).

Almost surely, 2^6625089809 is an apocalyptic number.

It is an amenable number.

6625089809 is a deficient number, since it is larger than the sum of its proper divisors (819827503).

6625089809 is a wasteful number, since it uses less digits than its factorization.

6625089809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22157527.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The square root of 6625089809 is about 81394.6546709303. The cubic root of 6625089809 is about 1878.1513638211.

The spelling of 6625089809 in words is "six billion, six hundred twenty-five million, eighty-nine thousand, eight hundred nine".