6497219495313 has 12 divisors (see below), whose sum is σ = 9423813987588. Its totient is φ = 4313506717440.

The previous prime is 6497219495297. The next prime is 6497219495321. The reversal of 6497219495313 is 3135949127946.

It is a happy number.

6497219495313 is a `hidden beast` number, since 6 + 4 + 9 + 7 + 2 + 1 + 94 + 9 + 531 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2453211110529 + 4044008384784 = 1566273^2 + 2010972^2 .

It is not a de Polignac number, because 6497219495313 - 2⁴ = 6497219495297 is a prime.

It is a super-2 number, since 2×6497219495313² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6497219495363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1497743220 + ... + 1497747557.

It is an arithmetic number, because the mean of its divisors is an integer number (785317832299).

Almost surely, 2^{6497219495313} is an apocalyptic number.

It is an amenable number.

6497219495313 is a deficient number, since it is larger than the sum of its proper divisors (2926594492275).

6497219495313 is a wasteful number, since it uses less digits than its factorization.

6497219495313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995491024 (or 2995491021 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The spelling of 6497219495313 in words is "six trillion, four hundred ninety-seven billion, two hundred nineteen million, four hundred ninety-five thousand, three hundred thirteen".