6529513949749 has 8 divisors (see below), whose sum is σ = 7477880578560. Its totient is φ = 5585042051376.

The previous prime is 6529513949743. The next prime is 6529513949767. The reversal of 6529513949749 is 9479493159256.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6529513949749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6529513949743) 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 in 7 ways as a sum of consecutive naturals, for example, 973679014 + ... + 973685719.

It is an arithmetic number, because the mean of its divisors is an integer number (934735072320).

Almost surely, 2^{6529513949749} is an apocalyptic number.

It is an amenable number.

6529513949749 is a deficient number, since it is larger than the sum of its proper divisors (948366628811).

6529513949749 is a wasteful number, since it uses less digits than its factorization.

6529513949749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947365219.

The product of its digits is 661348800, while the sum is 73.

The spelling of 6529513949749 in words is "six trillion, five hundred twenty-nine billion, five hundred thirteen million, nine hundred forty-nine thousand, seven hundred forty-nine".