6517848729 has 24 divisors (see below), whose sum is σ = 10141279488. Its totient is φ = 3712709280.

The previous prime is 6517848713. The next prime is 6517848737. The reversal of 6517848729 is 9278487156.

It is not a de Polignac number, because 6517848729 - 2⁴ = 6517848713 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6517848709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23337 + ... + 116534.

It is an arithmetic number, because the mean of its divisors is an integer number (422553312).

Almost surely, 2^6517848729 is an apocalyptic number.

It is an amenable number.

6517848729 is a deficient number, since it is larger than the sum of its proper divisors (3623430759).

6517848729 is a wasteful number, since it uses less digits than its factorization.

6517848729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140205 (or 140198 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 57.

The square root of 6517848729 is about 80733.1947156806. The cubic root of 6517848729 is about 1867.9622372258.

The spelling of 6517848729 in words is "six billion, five hundred seventeen million, eight hundred forty-eight thousand, seven hundred twenty-nine".