6653117993 has 8 divisors (see below), whose sum is σ = 6685956480. Its totient is φ = 6620312880.

The previous prime is 6653117987. The next prime is 6653118013. The reversal of 6653117993 is 3997113566.

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-6653117993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6653117903) 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, 453296 + ... + 467742.

It is an arithmetic number, because the mean of its divisors is an integer number (835744560).

Almost surely, 2^6653117993 is an apocalyptic number.

It is an amenable number.

6653117993 is a deficient number, since it is larger than the sum of its proper divisors (32838487).

6653117993 is a wasteful number, since it uses less digits than its factorization.

6653117993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16687.

The product of its digits is 918540, while the sum is 50.

The square root of 6653117993 is about 81566.6475527835. The cubic root of 6653117993 is about 1880.7962140654.

The spelling of 6653117993 in words is "six billion, six hundred fifty-three million, one hundred seventeen thousand, nine hundred ninety-three".