6497068481 has 4 divisors (see below), whose sum is σ = 6497913600. Its totient is φ = 6496223364.

The previous prime is 6497068463. The next prime is 6497068537. The reversal of 6497068481 is 1848607946.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1848607946 = 2 ⋅924303973.

It is a cyclic number.

It is not a de Polignac number, because 6497068481 - 2¹⁰ = 6497067457 is a prime.

It is a super-2 number, since 2×6497068481² = 84423797693607294722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6497068181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410921 + ... + 426438.

It is an arithmetic number, because the mean of its divisors is an integer number (1624478400).

Almost surely, 2^6497068481 is an apocalyptic number.

It is an amenable number.

6497068481 is a deficient number, since it is larger than the sum of its proper divisors (845119).

6497068481 is an equidigital number, since it uses as much as digits as its factorization.

6497068481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845118.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 6497068481 is about 80604.3949236020. The cubic root of 6497068481 is about 1865.9749739796.

The spelling of 6497068481 in words is "six billion, four hundred ninety-seven million, sixty-eight thousand, four hundred eighty-one".