6609657397249 has 8 divisors (see below), whose sum is σ = 6660407777760. Its totient is φ = 6558911486400.

The previous prime is 6609657397247. The next prime is 6609657397297. The reversal of 6609657397249 is 9427937569066.

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

It is a cyclic number.

It is not a de Polignac number, because 6609657397249 - 2¹ = 6609657397247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6609657397247) 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, 1882297 + ... + 4094185.

It is an arithmetic number, because the mean of its divisors is an integer number (832550972220).

Almost surely, 2^{6609657397249} is an apocalyptic number.

It is an amenable number.

6609657397249 is a deficient number, since it is larger than the sum of its proper divisors (50750380511).

6609657397249 is a wasteful number, since it uses less digits than its factorization.

6609657397249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234831.

The product of its (nonzero) digits is 925888320, while the sum is 73.

The spelling of 6609657397249 in words is "six trillion, six hundred nine billion, six hundred fifty-seven million, three hundred ninety-seven thousand, two hundred forty-nine".