6517420099 has 8 divisors (see below), whose sum is σ = 6551539200. Its totient is φ = 6483379656.

The previous prime is 6517420081. The next prime is 6517420103. The reversal of 6517420099 is 9900247156.

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-6517420099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6517420699) 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, 150294 + ... + 188740.

It is an arithmetic number, because the mean of its divisors is an integer number (818942400).

Almost surely, 2^6517420099 is an apocalyptic number.

6517420099 is a deficient number, since it is larger than the sum of its proper divisors (34119101).

6517420099 is a wasteful number, since it uses less digits than its factorization.

6517420099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39329.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 6517420099 is about 80730.5400638445. The cubic root of 6517420099 is about 1867.9212890419.

The spelling of 6517420099 in words is "six billion, five hundred seventeen million, four hundred twenty thousand, ninety-nine".