6499346918673 has 64 divisors (see below), whose sum is σ = 10438254908928. Its totient is φ = 3519062599680.

The previous prime is 6499346918629. The next prime is 6499346918731. The reversal of 6499346918673 is 3768196439946.

It is not a de Polignac number, because 6499346918673 - 2¹⁴ = 6499346902289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6499346918595 and 6499346918604.

It is not an unprimeable number, because it can be changed into a prime (6499346918773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17561211 + ... + 17927487.

It is an arithmetic number, because the mean of its divisors is an integer number (163097732952).

Almost surely, 2^{6499346918673} is an apocalyptic number.

It is an amenable number.

6499346918673 is a deficient number, since it is larger than the sum of its proper divisors (3938907990255).

6499346918673 is a wasteful number, since it uses less digits than its factorization.

6499346918673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366922.

The product of its digits is 1269789696, while the sum is 75.

The spelling of 6499346918673 in words is "six trillion, four hundred ninety-nine billion, three hundred forty-six million, nine hundred eighteen thousand, six hundred seventy-three".