6529450985423 has 2 divisors, whose sum is σ = 6529450985424. Its totient is φ = 6529450985422.

The previous prime is 6529450985329. The next prime is 6529450985443. The reversal of 6529450985423 is 3245890549256.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6529450985423 - 2¹² = 6529450981327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6529450985443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3264725492711 + 3264725492712.

It is an arithmetic number, because the mean of its divisors is an integer number (3264725492712).

Almost surely, 2^{6529450985423} is an apocalyptic number.

6529450985423 is a deficient number, since it is larger than the sum of its proper divisors (1).

6529450985423 is an equidigital number, since it uses as much as digits as its factorization.

6529450985423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312000, while the sum is 62.

The spelling of 6529450985423 in words is "six trillion, five hundred twenty-nine billion, four hundred fifty million, nine hundred eighty-five thousand, four hundred twenty-three".