6597849443729 has 2 divisors, whose sum is σ = 6597849443730. Its totient is φ = 6597849443728.

The previous prime is 6597849443657. The next prime is 6597849443761. The reversal of 6597849443729 is 9273449487956.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6466584530704 + 131264913025 = 2542948^2 + 362305^2 .

It is a cyclic number.

It is not a de Polignac number, because 6597849443729 - 2³⁶ = 6529129966993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6597849443729.

It is not a weakly prime, because it can be changed into another prime (6597849443789) 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, 3298924721864 + 3298924721865.

It is an arithmetic number, because the mean of its divisors is an integer number (3298924721865).

Almost surely, 2^{6597849443729} is an apocalyptic number.

It is an amenable number.

6597849443729 is a deficient number, since it is larger than the sum of its proper divisors (1).

6597849443729 is an equidigital number, since it uses as much as digits as its factorization.

6597849443729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3292047360, while the sum is 77.

The spelling of 6597849443729 in words is "six trillion, five hundred ninety-seven billion, eight hundred forty-nine million, four hundred forty-three thousand, seven hundred twenty-nine".