6529450985393 has 4 divisors (see below), whose sum is σ = 7462229697600. Its totient is φ = 5596672273188.

The previous prime is 6529450985329. The next prime is 6529450985423. The reversal of 6529450985393 is 3935890549256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6529450985393 - 2⁶ = 6529450985329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6529450985093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466389356093 + ... + 466389356106.

It is an arithmetic number, because the mean of its divisors is an integer number (1865557424400).

Almost surely, 2^{6529450985393} is an apocalyptic number.

It is an amenable number.

6529450985393 is a deficient number, since it is larger than the sum of its proper divisors (932778712207).

6529450985393 is an equidigital number, since it uses as much as digits as its factorization.

6529450985393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932778712206.

The product of its (nonzero) digits is 314928000, while the sum is 68.

The spelling of 6529450985393 in words is "six trillion, five hundred twenty-nine billion, four hundred fifty million, nine hundred eighty-five thousand, three hundred ninety-three".