6497660243073 has 16 divisors (see below), whose sum is σ = 8721318884096. Its totient is φ = 4302982414080.

The previous prime is 6497660243071. The next prime is 6497660243099. The reversal of 6497660243073 is 3703420667946.

It is not a de Polignac number, because 6497660243073 - 2¹ = 6497660243071 is a prime.

It is a super-2 number, since 2×6497660243073² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6497660243071) 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, 11583886 + ... + 12131847.

It is an arithmetic number, because the mean of its divisors is an integer number (545082430256).

Almost surely, 2^{6497660243073} is an apocalyptic number.

It is an amenable number.

6497660243073 is a deficient number, since it is larger than the sum of its proper divisors (2223658641023).

6497660243073 is a wasteful number, since it uses less digits than its factorization.

6497660243073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23716344.

The product of its (nonzero) digits is 27433728, while the sum is 57.

The spelling of 6497660243073 in words is "six trillion, four hundred ninety-seven billion, six hundred sixty million, two hundred forty-three thousand, seventy-three".