6499340917 has 8 divisors (see below), whose sum is σ = 6515411360. Its totient is φ = 6483289680.

The previous prime is 6499340879. The next prime is 6499340983. The reversal of 6499340917 is 7190439946.

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 6499340917 - 2²³ = 6490952309 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 (6499340717) 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, 851038 + ... + 858640.

It is an arithmetic number, because the mean of its divisors is an integer number (814426420).

Almost surely, 2^6499340917 is an apocalyptic number.

It is an amenable number.

6499340917 is a deficient number, since it is larger than the sum of its proper divisors (16070443).

6499340917 is a wasteful number, since it uses less digits than its factorization.

6499340917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9603.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 6499340917 is about 80618.4899201170. The cubic root of 6499340917 is about 1866.1924984650.

The spelling of 6499340917 in words is "six billion, four hundred ninety-nine million, three hundred forty thousand, nine hundred seventeen".