6497115067829 has 2 divisors, whose sum is σ = 6497115067830. Its totient is φ = 6497115067828.

The previous prime is 6497115067801. The next prime is 6497115067853. The reversal of 6497115067829 is 9287605117946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6493333432804 + 3781635025 = 2548202^2 + 61495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6497115067829 is a prime.

It is a super-2 number, since 2×6497115067829² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6497115069829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248557533914 + 3248557533915.

It is an arithmetic number, because the mean of its divisors is an integer number (3248557533915).

Almost surely, 2^{6497115067829} is an apocalyptic number.

It is an amenable number.

6497115067829 is a deficient number, since it is larger than the sum of its proper divisors (1).

6497115067829 is an equidigital number, since it uses as much as digits as its factorization.

6497115067829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45722880, while the sum is 65.

The spelling of 6497115067829 in words is "six trillion, four hundred ninety-seven billion, one hundred fifteen million, sixty-seven thousand, eight hundred twenty-nine".