6529450985394 has 64 divisors (see below), whose sum is σ = 14441480202240. Its totient is φ = 1957595214080.

The previous prime is 6529450985329. The next prime is 6529450985423. The reversal of 6529450985394 is 4935890549256.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1283947 + ... + 3835025.

It is an arithmetic number, because the mean of its divisors is an integer number (225648128160).

Almost surely, 2^{6529450985394} is an apocalyptic number.

6529450985394 is an abundant number, since it is smaller than the sum of its proper divisors (7912029216846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6529450985394 is a wasteful number, since it uses less digits than its factorization.

6529450985394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552215.

The product of its (nonzero) digits is 419904000, while the sum is 69.

The spelling of 6529450985394 in words is "six trillion, five hundred twenty-nine billion, four hundred fifty million, nine hundred eighty-five thousand, three hundred ninety-four".