6429634224 has 80 divisors (see below), whose sum is σ = 17957621472. Its totient is φ = 1970601984.

The previous prime is 6429634223. The next prime is 6429634229. The reversal of 6429634224 is 4224369246.

It is a Cunningham number, because it is equal to 80185²-1.

It is not an unprimeable number, because it can be changed into a prime (6429634223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140322 + ... + 180414.

Almost surely, 2^6429634224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6429634224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8978810736).

6429634224 is an abundant number, since it is smaller than the sum of its proper divisors (11527987248).

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

6429634224 is a wasteful number, since it uses less digits than its factorization.

6429634224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40374 (or 40368 counting only the distinct ones).

The product of its digits is 497664, while the sum is 42.

The square root of 6429634224 is about 80184.9999937644. Note that the first 5 decimals coincide. The cubic root of 6429634224 is about 1859.4967444119.

The spelling of 6429634224 in words is "six billion, four hundred twenty-nine million, six hundred thirty-four thousand, two hundred twenty-four".