6497217066247 has 8 divisors (see below), whose sum is σ = 6879511662912. Its totient is φ = 6114934176000.

The previous prime is 6497217066227. The next prime is 6497217066293. The reversal of 6497217066247 is 7426607127946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6497217066247 - 2²³ = 6497208677639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497217066227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770879 + ... + 4016272.

It is an arithmetic number, because the mean of its divisors is an integer number (859938957864).

Almost surely, 2^{6497217066247} is an apocalyptic number.

6497217066247 is a deficient number, since it is larger than the sum of its proper divisors (382294596665).

6497217066247 is a wasteful number, since it uses less digits than its factorization.

6497217066247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853209.

The product of its (nonzero) digits is 42674688, while the sum is 61.

The spelling of 6497217066247 in words is "six trillion, four hundred ninety-seven billion, two hundred seventeen million, sixty-six thousand, two hundred forty-seven".