6496859898917 has 2 divisors, whose sum is σ = 6496859898918. Its totient is φ = 6496859898916.

The previous prime is 6496859898817. The next prime is 6496859898943. The reversal of 6496859898917 is 7198989586946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4862351345476 + 1634508553441 = 2205074^2 + 1278479^2 .

It is a cyclic number.

It is not a de Polignac number, because 6496859898917 - 2⁴² = 2098813387813 is a prime.

It is a super-2 number, since 2×6496859898917² (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 (6496859898817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248429949458 + 3248429949459.

It is an arithmetic number, because the mean of its divisors is an integer number (3248429949459).

Almost surely, 2^{6496859898917} is an apocalyptic number.

It is an amenable number.

6496859898917 is a deficient number, since it is larger than the sum of its proper divisors (1).

6496859898917 is an equidigital number, since it uses as much as digits as its factorization.

6496859898917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16930529280, while the sum is 89.

The spelling of 6496859898917 in words is "six trillion, four hundred ninety-six billion, eight hundred fifty-nine million, eight hundred ninety-eight thousand, nine hundred seventeen".