6529477794 has 128 divisors (see below), whose sum is σ = 15970099200. Its totient is φ = 1738402560.

The previous prime is 6529477783. The next prime is 6529477811. The reversal of 6529477794 is 4977749256.

It is an unprimeable number.

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 in 63 ways as a sum of consecutive naturals, for example, 23571984 + ... + 23572260.

It is an arithmetic number, because the mean of its divisors is an integer number (124766400).

Almost surely, 2^6529477794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6529477794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7985049600).

6529477794 is an abundant number, since it is smaller than the sum of its proper divisors (9440621406).

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

6529477794 is a wasteful number, since it uses less digits than its factorization.

6529477794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688.

The product of its digits is 26671680, while the sum is 60.

The square root of 6529477794 is about 80805.1842025003. The cubic root of 6529477794 is about 1869.0725088748.

The spelling of 6529477794 in words is "six billion, five hundred twenty-nine million, four hundred seventy-seven thousand, seven hundred ninety-four".