6479417520899 has 16 divisors (see below), whose sum is σ = 6739067169120. Its totient is φ = 6224729333760.

The previous prime is 6479417520871. The next prime is 6479417520929. The reversal of 6479417520899 is 9980257149746.

It is a Cunningham number, because it is equal to 2545470²-1.

It is a cyclic number.

It is not a de Polignac number, because 6479417520899 - 2¹⁶ = 6479417455363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6479417520809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109425569 + ... + 109484765.

It is an arithmetic number, because the mean of its divisors is an integer number (421191698070).

Almost surely, 2^{6479417520899} is an apocalyptic number.

6479417520899 is a deficient number, since it is larger than the sum of its proper divisors (259649648221).

6479417520899 is a wasteful number, since it uses less digits than its factorization.

6479417520899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101030.

The product of its (nonzero) digits is 274337280, while the sum is 71.

The spelling of 6479417520899 in words is "six trillion, four hundred seventy-nine billion, four hundred seventeen million, five hundred twenty thousand, eight hundred ninety-nine".