6529953449 has 2 divisors, whose sum is σ = 6529953450. Its totient is φ = 6529953448.

The previous prime is 6529953433. The next prime is 6529953527. The reversal of 6529953449 is 9443599256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6503616025 + 26337424 = 80645^2 + 5132^2 .

It is a cyclic number.

It is not a de Polignac number, because 6529953449 - 2⁴ = 6529953433 is a prime.

It is a super-3 number, since 3×6529953449³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 6529953394 and 6529953403.

It is not a weakly prime, because it can be changed into another prime (6529952449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3264976724 + 3264976725.

It is an arithmetic number, because the mean of its divisors is an integer number (3264976725).

Almost surely, 2^6529953449 is an apocalyptic number.

It is an amenable number.

6529953449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6529953449 is an equidigital number, since it uses as much as digits as its factorization.

6529953449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10497600, while the sum is 56.

The square root of 6529953449 is about 80808.1273697145. The cubic root of 6529953449 is about 1869.1178934178.

The spelling of 6529953449 in words is "six billion, five hundred twenty-nine million, nine hundred fifty-three thousand, four hundred forty-nine".